51452756224 has 27 divisors (see below), whose sum is σ = 102711770077. Its totient is φ = 25724563456.

The previous prime is 51452756183. The next prime is 51452756237. The reversal of 51452756224 is 42265725415.

The square root of 51452756224 is 226832.

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

It can be written as a sum of positive squares in only one way, i.e., 51220742400 + 232013824 = 226320^2 + 15232^2 .

It is a super-2 number, since 2×51452756224² (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 2 ways as a sum of consecutive naturals, for example, 3622224 + ... + 3636400.

Almost surely, 2^51452756224 is an apocalyptic number.

51452756224 is the 226832-nd square number.

It is an amenable number.

51452756224 is a deficient number, since it is larger than the sum of its proper divisors (51259013853).

51452756224 is an frugal number, since it uses more digits than its factorization.

51452756224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370 (or 14179 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The spelling of 51452756224 in words is "fifty-one billion, four hundred fifty-two million, seven hundred fifty-six thousand, two hundred twenty-four".