51900574558474 has 8 divisors (see below), whose sum is σ = 77850938706948. Its totient is φ = 25950261656160.

The previous prime is 51900574558409. The next prime is 51900574558499. The reversal of 51900574558474 is 47485547500915.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47585370186225 + 4315204372249 = 6898215^2 + 2077307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10170747 + ... + 14396014.

Almost surely, 2^{51900574558474} is an apocalyptic number.

51900574558474 is a deficient number, since it is larger than the sum of its proper divisors (25950364148474).

51900574558474 is a wasteful number, since it uses less digits than its factorization.

51900574558474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25623080.

The product of its (nonzero) digits is 141120000, while the sum is 64.

The spelling of 51900574558474 in words is "fifty-one trillion, nine hundred billion, five hundred seventy-four million, five hundred fifty-eight thousand, four hundred seventy-four".