51385933104 has 40 divisors (see below), whose sum is σ = 144814903872. Its totient is φ = 15571494720.

The previous prime is 51385933103. The next prime is 51385933117. The reversal of 51385933104 is 40133958315.

It is not an unprimeable number, because it can be changed into a prime (51385933103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48660394 + ... + 48661449.

Almost surely, 2^51385933104 is an apocalyptic number.

It is an amenable number.

51385933104 is an abundant number, since it is smaller than the sum of its proper divisors (93428970768).

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

51385933104 is a wasteful number, since it uses less digits than its factorization.

51385933104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97321865 (or 97321859 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

It can be divided in two parts, 51385 and 933104, that added together give a palindrome (984489).

The spelling of 51385933104 in words is "fifty-one billion, three hundred eighty-five million, nine hundred thirty-three thousand, one hundred four".