51641004504 has 16 divisors (see below), whose sum is σ = 129102511320. Its totient is φ = 17213668160.

The previous prime is 51641004421. The next prime is 51641004521. The reversal of 51641004504 is 40540014615.

It is a congruent number.

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, 1075854237 + ... + 1075854284.

Almost surely, 2^51641004504 is an apocalyptic number.

It is an amenable number.

51641004504 is an abundant number, since it is smaller than the sum of its proper divisors (77461506816).

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

51641004504 is a wasteful number, since it uses less digits than its factorization.

51641004504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151708530 (or 2151708526 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 51641004504 in words is "fifty-one billion, six hundred forty-one million, four thousand, five hundred four".