51124533264 has 80 divisors (see below), whose sum is σ = 167710119040. Its totient is φ = 14607008640.

The previous prime is 51124533253. The next prime is 51124533287. The reversal of 51124533264 is 46233542115.

51124533264 is a `hidden beast` number, since 5 + 112 + 4 + 533 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×51124533264² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8450107 + ... + 8456154.

It is an arithmetic number, because the mean of its divisors is an integer number (2096376488).

Almost surely, 2^51124533264 is an apocalyptic number.

51124533264 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51124533264 is an abundant number, since it is smaller than the sum of its proper divisors (116585585776).

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

51124533264 is a wasteful number, since it uses less digits than its factorization.

51124533264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16906285 (or 16906273 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 51124533264 in words is "fifty-one billion, one hundred twenty-four million, five hundred thirty-three thousand, two hundred sixty-four".