51380772724052 has 24 divisors (see below), whose sum is σ = 93017730812160. Its totient is φ = 24804293724000.

The previous prime is 51380772724037. The next prime is 51380772724097. The reversal of 51380772724052 is 25042727708315.

It is a junction number, because it is equal to n+sod(n) for n = 51380772723985 and 51380772724003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11778293 + ... + 15539939.

It is an arithmetic number, because the mean of its divisors is an integer number (3875738783840).

Almost surely, 2^{51380772724052} is an apocalyptic number.

It is an amenable number.

51380772724052 is a deficient number, since it is larger than the sum of its proper divisors (41636958088108).

51380772724052 is a wasteful number, since it uses less digits than its factorization.

51380772724052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879431 (or 3879429 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 51380772724052 in words is "fifty-one trillion, three hundred eighty billion, seven hundred seventy-two million, seven hundred twenty-four thousand, fifty-two".