51204327124 has 12 divisors (see below), whose sum is σ = 89611476948. Its totient is φ = 25601048000.

The previous prime is 51204327089. The next prime is 51204327133. The reversal of 51204327124 is 42172340215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1479787024 + 49724540100 = 38468^2 + 222990^2 .

It is a super-2 number, since 2×51204327124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170977 + ... + 362824.

It is an arithmetic number, because the mean of its divisors is an integer number (7467623079).

Almost surely, 2^51204327124 is an apocalyptic number.

It is an amenable number.

51204327124 is a deficient number, since it is larger than the sum of its proper divisors (38407149824).

51204327124 is a wasteful number, since it uses less digits than its factorization.

51204327124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557786 (or 557784 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 51204327124 its reverse (42172340215), we get a palindrome (93376667339).

The spelling of 51204327124 in words is "fifty-one billion, two hundred four million, three hundred twenty-seven thousand, one hundred twenty-four".