55627404 has 24 divisors (see below), whose sum is σ = 148339968. Its totient is φ = 15893520.

The previous prime is 55627381. The next prime is 55627427. The reversal of 55627404 is 40472655.

It is an interprime number because it is at equal distance from previous prime (55627381) and next prime (55627427).

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, 331032 + ... + 331199.

It is an arithmetic number, because the mean of its divisors is an integer number (6180832).

Almost surely, 2^55627404 is an apocalyptic number.

It is an amenable number.

55627404 is an abundant number, since it is smaller than the sum of its proper divisors (92712564).

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

55627404 is a wasteful number, since it uses less digits than its factorization.

55627404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662245 (or 662243 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 55627404 is about 7458.3781078731. The cubic root of 55627404 is about 381.7358351998.

The spelling of 55627404 in words is "fifty-five million, six hundred twenty-seven thousand, four hundred four".