55613015 has 16 divisors (see below), whose sum is σ = 69400800. Its totient is φ = 42746880.

The previous prime is 55613009. The next prime is 55613021. The reversal of 55613015 is 51031655.

55613015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55613009) and next prime (55613021).

It is not a de Polignac number, because 55613015 - 2¹⁴ = 55596631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11711 + ... + 15759.

It is an arithmetic number, because the mean of its divisors is an integer number (4337550).

Almost surely, 2^55613015 is an apocalyptic number.

55613015 is a deficient number, since it is larger than the sum of its proper divisors (13787785).

55613015 is a wasteful number, since it uses less digits than its factorization.

55613015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55613015 is about 7457.4134255786. The cubic root of 55613015 is about 381.7029181468.

The spelling of 55613015 in words is "fifty-five million, six hundred thirteen thousand, fifteen".