51172552110 has 32 divisors (see below), whose sum is σ = 128153871360. Its totient is φ = 13052708768.

The previous prime is 51172552063. The next prime is 51172552129. The reversal of 51172552110 is 1125527115.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 37080870 + ... + 37082249.

It is an arithmetic number, because the mean of its divisors is an integer number (4004808480).

Almost surely, 2^51172552110 is an apocalyptic number.

51172552110 is an abundant number, since it is smaller than the sum of its proper divisors (76981319250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51172552110 is a wasteful number, since it uses less digits than its factorization.

51172552110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74163152.

The product of its (nonzero) digits is 3500, while the sum is 30.

The spelling of 51172552110 in words is "fifty-one billion, one hundred seventy-two million, five hundred fifty-two thousand, one hundred ten".