51533102704 has 20 divisors (see below), whose sum is σ = 102280641120. Its totient is φ = 25138098560.

The previous prime is 51533102701. The next prime is 51533102723. The reversal of 51533102704 is 40720133515.

It is a happy number.

It is a super-2 number, since 2×51533102704² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51533102701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39277624 + ... + 39278935.

It is an arithmetic number, because the mean of its divisors is an integer number (5114032056).

Almost surely, 2^51533102704 is an apocalyptic number.

It is an amenable number.

51533102704 is a deficient number, since it is larger than the sum of its proper divisors (50747538416).

51533102704 is a wasteful number, since it uses less digits than its factorization.

51533102704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78556608 (or 78556602 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 51533102704 in words is "fifty-one billion, five hundred thirty-three million, one hundred two thousand, seven hundred four".