51051055572 has 96 divisors (see below), whose sum is σ = 145711843200. Its totient is φ = 15328051200.

The previous prime is 51051055567. The next prime is 51051055613. The reversal of 51051055572 is 27555015015.

51051055572 is a `hidden beast` number, since 51 + 0 + 51 + 0 + 5 + 557 + 2 = 666.

51051055572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67629 + ... + 326612.

It is an arithmetic number, because the mean of its divisors is an integer number (1517831700).

Almost surely, 2^51051055572 is an apocalyptic number.

It is an amenable number.

51051055572 is an abundant number, since it is smaller than the sum of its proper divisors (94660787628).

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

51051055572 is a wasteful number, since it uses less digits than its factorization.

51051055572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394374 (or 394366 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 36.

The spelling of 51051055572 in words is "fifty-one billion, fifty-one million, fifty-five thousand, five hundred seventy-two".