55438602 has 32 divisors (see below), whose sum is σ = 119439360. Its totient is φ = 17104560.

The previous prime is 55438589. The next prime is 55438661. The reversal of 55438602 is 20683455.

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, 2202 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (3732480).

Almost surely, 2^55438602 is an apocalyptic number.

55438602 is an abundant number, since it is smaller than the sum of its proper divisors (64000758).

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

55438602 is a wasteful number, since it uses less digits than its factorization.

55438602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018.

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

The square root of 55438602 is about 7445.7103086274. The cubic root of 55438602 is about 381.3034692722.

The spelling of 55438602 in words is "fifty-five million, four hundred thirty-eight thousand, six hundred two".