51000500955 has 64 divisors (see below), whose sum is σ = 86160983040. Its totient is φ = 25709376000.

The previous prime is 51000500933. The next prime is 51000500983. The reversal of 51000500955 is 55900500015.

It is not a de Polignac number, because 51000500955 - 2¹⁰ = 51000499931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22961745 + ... + 22963965.

It is an arithmetic number, because the mean of its divisors is an integer number (1346265360).

Almost surely, 2^51000500955 is an apocalyptic number.

51000500955 is a deficient number, since it is larger than the sum of its proper divisors (35160482085).

51000500955 is a wasteful number, since it uses less digits than its factorization.

51000500955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 51000500955 in words is "fifty-one billion, five hundred thousand, nine hundred fifty-five".