51976147304 has 8 divisors (see below), whose sum is σ = 97455276210. Its totient is φ = 25988073648.

The previous prime is 51976147297. The next prime is 51976147309. The reversal of 51976147304 is 40374167915.

It can be written as a sum of positive squares in only one way, i.e., 46963224100 + 5012923204 = 216710^2 + 70802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51976147309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248509199 + ... + 3248509214.

Almost surely, 2^51976147304 is an apocalyptic number.

It is an amenable number.

51976147304 is a deficient number, since it is larger than the sum of its proper divisors (45479128906).

51976147304 is a wasteful number, since it uses less digits than its factorization.

51976147304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497018419 (or 6497018415 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 51976147304 in words is "fifty-one billion, nine hundred seventy-six million, one hundred forty-seven thousand, three hundred four".