55142507315 has 32 divisors (see below), whose sum is σ = 75825469440. Its totient is φ = 37711448064.

The previous prime is 55142507263. The next prime is 55142507353. The reversal of 55142507315 is 51370524155.

It is a cyclic number.

It is not a de Polignac number, because 55142507315 - 2¹² = 55142503219 is a prime.

It is a super-2 number, since 2×55142507315² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35736434 + ... + 35737976.

It is an arithmetic number, because the mean of its divisors is an integer number (2369545920).

Almost surely, 2^55142507315 is an apocalyptic number.

55142507315 is a deficient number, since it is larger than the sum of its proper divisors (20682962125).

55142507315 is a wasteful number, since it uses less digits than its factorization.

55142507315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 55142507315 in words is "fifty-five billion, one hundred forty-two million, five hundred seven thousand, three hundred fifteen".