51402533044 has 24 divisors (see below), whose sum is σ = 95370111200. Its totient is φ = 24173393760.

The previous prime is 51402533029. The next prime is 51402533051. The reversal of 51402533044 is 44033520415.

It is a junction number, because it is equal to n+sod(n) for n = 51402532997 and 51402533015.

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, 2422347 + ... + 2443474.

Almost surely, 2^51402533044 is an apocalyptic number.

It is an amenable number.

51402533044 is a deficient number, since it is larger than the sum of its proper divisors (43967578156).

51402533044 is a wasteful number, since it uses less digits than its factorization.

51402533044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865983 (or 4865981 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 51402533044 in words is "fifty-one billion, four hundred two million, five hundred thirty-three thousand, forty-four".