55160020475 has 12 divisors (see below), whose sum is σ = 78169629264. Its totient is φ = 37824013920.

The previous prime is 55160020463. The next prime is 55160020507. The reversal of 55160020475 is 57402006155.

It is a de Polignac number, because none of the positive numbers 2^k-55160020475 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157599884 + ... + 157600233.

It is an arithmetic number, because the mean of its divisors is an integer number (6514135772).

Almost surely, 2^55160020475 is an apocalyptic number.

55160020475 is a deficient number, since it is larger than the sum of its proper divisors (23009608789).

55160020475 is a wasteful number, since it uses less digits than its factorization.

55160020475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315200134 (or 315200129 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 55160020475 in words is "fifty-five billion, one hundred sixty million, twenty thousand, four hundred seventy-five".