51100356 has 12 divisors (see below), whose sum is σ = 119234192. Its totient is φ = 17033448.

The previous prime is 51100303. The next prime is 51100373. The reversal of 51100356 is 65300115.

It is a happy number.

51100356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×51100356² = 5222492766653472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129170 + ... + 2129193.

Almost surely, 2^51100356 is an apocalyptic number.

It is an amenable number.

51100356 is an abundant number, since it is smaller than the sum of its proper divisors (68133836).

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

51100356 is a wasteful number, since it uses less digits than its factorization.

51100356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258370 (or 4258368 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 51100356 is about 7148.4513008064. The cubic root of 51100356 is about 371.0860614590.

The spelling of 51100356 in words is "fifty-one million, one hundred thousand, three hundred fifty-six".