56500100 has 36 divisors (see below), whose sum is σ = 123148368. Its totient is φ = 22500000.

The previous prime is 56500099. The next prime is 56500109. The reversal of 56500100 is 100565.

It is a super-2 number, since 2×56500100² = 6384522600020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56500109) 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, 23975 + ... + 26225.

It is an arithmetic number, because the mean of its divisors is an integer number (3420788).

Almost surely, 2^56500100 is an apocalyptic number.

56500100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56500100 is an abundant number, since it is smaller than the sum of its proper divisors (66648268).

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

56500100 is a wasteful number, since it uses less digits than its factorization.

56500100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 56500100 is about 7516.6548410846. The cubic root of 56500100 is about 383.7217403247.

Adding to 56500100 its reverse (100565), we get a palindrome (56600665).

The spelling of 56500100 in words is "fifty-six million, five hundred thousand, one hundred".