10506551 has 12 divisors (see below), whose sum is σ = 11925312. Its totient is φ = 9240000.

The previous prime is 10506541. The next prime is 10506569. The reversal of 10506551 is 15560501.

It is not a de Polignac number, because 10506551 - 2¹⁰ = 10505527 is a prime.

It is a super-2 number, since 2×10506551² = 220775227831202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2351 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (993776).

Almost surely, 2^10506551 is an apocalyptic number.

10506551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10506551 is a deficient number, since it is larger than the sum of its proper divisors (1418761).

10506551 is a wasteful number, since it uses less digits than its factorization.

10506551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 10506551 is about 3241.3810328315. The cubic root of 10506551 is about 219.0214875742.

The spelling of 10506551 in words is "ten million, five hundred six thousand, five hundred fifty-one".