51252604048 has 20 divisors (see below), whose sum is σ = 102505209088. Its totient is φ = 24799646880.

The previous prime is 51252604021. The next prime is 51252604057. The reversal of 51252604048 is 84040625215.

51252604048 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51252603998 and 51252604016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51665436 + ... + 51666427.

Almost surely, 2^51252604048 is an apocalyptic number.

It is an amenable number.

51252604048 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51252604048 is a wasteful number, since it uses less digits than its factorization.

51252604048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103331902 (or 103331896 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 51252604048 in words is "fifty-one billion, two hundred fifty-two million, six hundred four thousand, forty-eight".