55572015 has 32 divisors (see below), whose sum is σ = 92030400. Its totient is φ = 28615680.

The previous prime is 55572007. The next prime is 55572029. The reversal of 55572015 is 51027555.

It is not a de Polignac number, because 55572015 - 2³ = 55572007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66621 + ... + 67449.

It is an arithmetic number, because the mean of its divisors is an integer number (2875950).

Almost surely, 2^55572015 is an apocalyptic number.

55572015 is a deficient number, since it is larger than the sum of its proper divisors (36458385).

55572015 is a wasteful number, since it uses less digits than its factorization.

55572015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 55572015 is about 7454.6639763305. The cubic root of 55572015 is about 381.6090931846.

The spelling of 55572015 in words is "fifty-five million, five hundred seventy-two thousand, fifteen".