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551010125 = 538949529
BaseRepresentation
bin100000110101111…
…011111101001101
31102101211012210102
4200311323331031
52112024311000
6130402020445
716440336341
oct4065737515
91371735712
10551010125
11263038076
12134647725
138a2051c3
1453273621
15335923d5
hex20d7bf4d

551010125 has 16 divisors (see below), whose sum is σ = 695401200. Its totient is φ = 435846400.

The previous prime is 551010113. The next prime is 551010143. The reversal of 551010125 is 521010155.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 418898089 + 132112036 = 20467^2 + 11494^2 .

It is a de Polignac number, because none of the positive numbers 2k-551010125 is a prime.

It is a super-2 number, since 2×5510101252 = 607224315705031250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 551010097 and 551010106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13640 + ... + 35889.

It is an arithmetic number, because the mean of its divisors is an integer number (43462575).

Almost surely, 2551010125 is an apocalyptic number.

It is an amenable number.

551010125 is a deficient number, since it is larger than the sum of its proper divisors (144391075).

551010125 is an equidigital number, since it uses as much as digits as its factorization.

551010125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49633 (or 49623 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 551010125 is about 23473.6048573712. The cubic root of 551010125 is about 819.8225498432.

The spelling of 551010125 in words is "five hundred fifty-one million, ten thousand, one hundred twenty-five".

Divisors: 1 5 25 89 125 445 2225 11125 49529 247645 1238225 4408081 6191125 22040405 110202025 551010125