55579005 has 24 divisors (see below), whose sum is σ = 98580768. Its totient is φ = 28951776.

The previous prime is 55578997. The next prime is 55579031. The reversal of 55579005 is 50097555.

It is a happy number.

It is not a de Polignac number, because 55579005 - 2³ = 55578997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12427 + ... + 16296.

It is an arithmetic number, because the mean of its divisors is an integer number (4107532).

Almost surely, 2^55579005 is an apocalyptic number.

It is an amenable number.

55579005 is a deficient number, since it is larger than the sum of its proper divisors (43001763).

55579005 is a wasteful number, since it uses less digits than its factorization.

55579005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777 (or 28774 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 36.

The square root of 55579005 is about 7455.1327955979. The cubic root of 55579005 is about 381.6250924589.

The spelling of 55579005 in words is "fifty-five million, five hundred seventy-nine thousand, five".