55457304 has 32 divisors (see below), whose sum is σ = 158449920. Its totient is φ = 15844896.

The previous prime is 55457299. The next prime is 55457323. The reversal of 55457304 is 40375455.

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, 164884 + ... + 165219.

It is an arithmetic number, because the mean of its divisors is an integer number (4951560).

Almost surely, 2^55457304 is an apocalyptic number.

It is an amenable number.

55457304 is an abundant number, since it is smaller than the sum of its proper divisors (102992616).

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

55457304 is a wasteful number, since it uses less digits than its factorization.

55457304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330119 (or 330115 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 55457304 is about 7446.9660936518. The cubic root of 55457304 is about 381.3463415398.

The spelling of 55457304 in words is "fifty-five million, four hundred fifty-seven thousand, three hundred four".