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55054125 = 325376991
BaseRepresentation
bin1101001000000…
…0111100101101
310211121001001200
43102000330231
5103043213000
65244000113
71235644440
oct322007455
9124531050
1055054125
1129092a85
1216530039
13b537a09
147451657
154c77500
hex3480f2d

55054125 has 48 divisors (see below), whose sum is σ = 113438208. Its totient is φ = 25164000.

The previous prime is 55054123. The next prime is 55054133. The reversal of 55054125 is 52145055.

It is not a de Polignac number, because 55054125 - 21 = 55054123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4380 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (2363296).

Almost surely, 255054125 is an apocalyptic number.

It is an amenable number.

55054125 is an abundant number, since it is smaller than the sum of its proper divisors (58384083).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55054125 is a wasteful number, since it uses less digits than its factorization.

55054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019 (or 7006 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 55054125 is about 7419.8466965295. The cubic root of 55054125 is about 380.4199535421.

The spelling of 55054125 in words is "fifty-five million, fifty-four thousand, one hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 125 175 225 315 375 525 875 1125 1575 2625 6991 7875 20973 34955 48937 62919 104865 146811 174775 244685 314595 440433 524325 734055 873875 1223425 1572975 2202165 2621625 3670275 6117125 7864875 11010825 18351375 55054125