51796539552 has 48 divisors (see below), whose sum is σ = 135980201952. Its totient is φ = 17263699200.

The previous prime is 51796539533. The next prime is 51796539583. The reversal of 51796539552 is 25593569715.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 51796539492 and 51796539501.

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, 1139403 + ... + 1183989.

It is an arithmetic number, because the mean of its divisors is an integer number (2832920874).

Almost surely, 2^51796539552 is an apocalyptic number.

It is an amenable number.

51796539552 is an abundant number, since it is smaller than the sum of its proper divisors (84183662400).

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

51796539552 is a wasteful number, since it uses less digits than its factorization.

51796539552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56701 (or 56693 counting only the distinct ones).

The product of its digits is 12757500, while the sum is 57.

The spelling of 51796539552 in words is "fifty-one billion, seven hundred ninety-six million, five hundred thirty-nine thousand, five hundred fifty-two".