55358604 has 36 divisors (see below), whose sum is σ = 159925584. Its totient is φ = 15816672.

The previous prime is 55358603. The next prime is 55358627. The reversal of 55358604 is 40685355.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55358603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109587 + ... + 110090.

Almost surely, 2^55358604 is an apocalyptic number.

It is an amenable number.

55358604 is an abundant number, since it is smaller than the sum of its proper divisors (104566980).

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

55358604 is a wasteful number, since it uses less digits than its factorization.

55358604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219694 (or 219689 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55358604 is about 7440.3362827227. The cubic root of 55358604 is about 381.1199737906.

The spelling of 55358604 in words is "fifty-five million, three hundred fifty-eight thousand, six hundred four".