55911080 has 32 divisors (see below), whose sum is σ = 127578240. Its totient is φ = 22048320.

The previous prime is 55911071. The next prime is 55911127. The reversal of 55911080 is 8011955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 12683.

It is an arithmetic number, because the mean of its divisors is an integer number (3986820).

Almost surely, 2^55911080 is an apocalyptic number.

It is an amenable number.

55911080 is an abundant number, since it is smaller than the sum of its proper divisors (71667160).

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

55911080 is a wasteful number, since it uses less digits than its factorization.

55911080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769 (or 19765 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 55911080 is about 7477.3711958147. The cubic root of 55911080 is about 382.3836318513.

The spelling of 55911080 in words is "fifty-five million, nine hundred eleven thousand, eighty".