55911100 has 36 divisors (see below), whose sum is σ = 138661264. Its totient is φ = 19169280.

The previous prime is 55911071. The next prime is 55911127. The reversal of 55911100 is 111955.

55911100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55911100² = 6252102206420000, which contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 39237 + ... + 40636.

Almost surely, 2^55911100 is an apocalyptic number.

55911100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55911100 is an abundant number, since it is smaller than the sum of its proper divisors (82750164).

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

55911100 is a wasteful number, since it uses less digits than its factorization.

55911100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79894 (or 79887 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 55911100 is about 7477.3725331830. The cubic root of 55911100 is about 382.3836774456.

The spelling of 55911100 in words is "fifty-five million, nine hundred eleven thousand, one hundred".