51502405045 has 64 divisors (see below), whose sum is σ = 76875402240. Its totient is φ = 32253954048.

The previous prime is 51502405037. The next prime is 51502405057. The reversal of 51502405045 is 54050420515.

It is a cyclic number.

It is not a de Polignac number, because 51502405045 - 2³ = 51502405037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51502404998 and 51502405016.

It is a congruent number.

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, 17703051 + ... + 17705959.

It is an arithmetic number, because the mean of its divisors is an integer number (1201178160).

Almost surely, 2^51502405045 is an apocalyptic number.

It is an amenable number.

51502405045 is a deficient number, since it is larger than the sum of its proper divisors (25372997195).

51502405045 is a wasteful number, since it uses less digits than its factorization.

51502405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 51502405045 in words is "fifty-one billion, five hundred two million, four hundred five thousand, forty-five".