51637904058 has 16 divisors (see below), whose sum is σ = 111220101216. Its totient is φ = 15888585840.

The previous prime is 51637904057. The next prime is 51637904083. The reversal of 51637904058 is 85040973615.

It is a junction number, because it is equal to n+sod(n) for n = 51637903998 and 51637904016.

It is not an unprimeable number, because it can be changed into a prime (51637904057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 331012128 + ... + 331012283.

It is an arithmetic number, because the mean of its divisors is an integer number (6951256326).

Almost surely, 2^51637904058 is an apocalyptic number.

51637904058 is an abundant number, since it is smaller than the sum of its proper divisors (59582197158).

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

51637904058 is a wasteful number, since it uses less digits than its factorization.

51637904058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662024429.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 51637904058 in words is "fifty-one billion, six hundred thirty-seven million, nine hundred four thousand, fifty-eight".