55678604 has 48 divisors (see below), whose sum is σ = 108493056. Its totient is φ = 24883200.

The previous prime is 55678591. The next prime is 55678619. The reversal of 55678604 is 40687655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128372 + ... + 128804.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 2^55678604 is an apocalyptic number.

It is an amenable number.

55678604 is a deficient number, since it is larger than the sum of its proper divisors (52814452).

55678604 is a wasteful number, since it uses less digits than its factorization.

55678604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 55678604 is about 7461.8097000661. The cubic root of 55678604 is about 381.8529170694.

The spelling of 55678604 in words is "fifty-five million, six hundred seventy-eight thousand, six hundred four".