55492404 has 24 divisors (see below), whose sum is σ = 141253728. Its totient is φ = 16815840.

The previous prime is 55492397. The next prime is 55492427. The reversal of 55492404 is 40429455.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210067 + ... + 210330.

It is an arithmetic number, because the mean of its divisors is an integer number (5885572).

Almost surely, 2^55492404 is an apocalyptic number.

It is an amenable number.

55492404 is an abundant number, since it is smaller than the sum of its proper divisors (85761324).

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

55492404 is a wasteful number, since it uses less digits than its factorization.

55492404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420415 (or 420413 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55492404 is about 7449.3223852912. The cubic root of 55492404 is about 381.4267783966.

The spelling of 55492404 in words is "fifty-five million, four hundred ninety-two thousand, four hundred four".