55715345 has 16 divisors (see below), whose sum is σ = 77202048. Its totient is φ = 37808640.

The previous prime is 55715323. The next prime is 55715389. The reversal of 55715345 is 54351755.

It is not a de Polignac number, because 55715345 - 2⁸ = 55715089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 4811 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (4825128).

Almost surely, 2^55715345 is an apocalyptic number.

It is an amenable number.

55715345 is a deficient number, since it is larger than the sum of its proper divisors (21486703).

55715345 is a wasteful number, since it uses less digits than its factorization.

55715345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16520.

The product of its digits is 52500, while the sum is 35.

The square root of 55715345 is about 7464.2712303345. The cubic root of 55715345 is about 381.9368905182.

The spelling of 55715345 in words is "fifty-five million, seven hundred fifteen thousand, three hundred forty-five".