51506004304 has 40 divisors (see below), whose sum is σ = 102450014208. Its totient is φ = 25073032320.

The previous prime is 51506004299. The next prime is 51506004343. The reversal of 51506004304 is 40340060515.

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, 35667 + ... + 322930.

Almost surely, 2^51506004304 is an apocalyptic number.

It is an amenable number.

51506004304 is a deficient number, since it is larger than the sum of its proper divisors (50944009904).

51506004304 is a wasteful number, since it uses less digits than its factorization.

51506004304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358843 (or 358837 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51506004304 its reverse (40340060515), we get a palindrome (91846064819).

The spelling of 51506004304 in words is "fifty-one billion, five hundred six million, four thousand, three hundred four".