51475441924 has 27 divisors (see below), whose sum is σ = 95707010847. Its totient is φ = 24220107264.

The previous prime is 51475441889. The next prime is 51475441933. The reversal of 51475441924 is 42914457415.

The square root of 51475441924 is 226882.

It is a perfect power (a square), and thus also a powerful number.

51475441924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4473201924 + 47002240000 = 66882^2 + 216800^2 .

It is a super-2 number, since 2×51475441924² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7710652 + ... + 7717324.

Almost surely, 2^51475441924 is an apocalyptic number.

51475441924 is the 226882-nd square number.

It is an amenable number.

51475441924 is a deficient number, since it is larger than the sum of its proper divisors (44231568923).

51475441924 is an frugal number, since it uses more digits than its factorization.

51475441924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384 (or 6692 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 51475441924 in words is "fifty-one billion, four hundred seventy-five million, four hundred forty-one thousand, nine hundred twenty-four".