51100156 has 12 divisors (see below), whose sum is σ = 89482792. Its totient is φ = 25533648.

The previous prime is 51100057. The next prime is 51100157. The reversal of 51100156 is 65100115.

It is a super-2 number, since 2×51100156² = 5222451886448672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5266 + ... + 11398.

Almost surely, 2^51100156 is an apocalyptic number.

It is an amenable number.

51100156 is a deficient number, since it is larger than the sum of its proper divisors (38382636).

51100156 is a wasteful number, since it uses less digits than its factorization.

51100156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51100156 is about 7148.4373117486. The cubic root of 51100156 is about 371.0855773312.

The spelling of 51100156 in words is "fifty-one million, one hundred thousand, one hundred fifty-six".