51722585476 has 27 divisors (see below), whose sum is σ = 96166484239. Its totient is φ = 24336401408.

The previous prime is 51722585471. The next prime is 51722585483. The reversal of 51722585476 is 67458522715.

The square root of 51722585476 is 227426.

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

It can be written as a sum of positive squares in 4 ways, for example, as 19546836100 + 32175749376 = 139810^2 + 179376^2 .

It is a super-2 number, since 2×51722585476² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51722585471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7729140 + ... + 7735828.

Almost surely, 2^51722585476 is an apocalyptic number.

51722585476 is the 227426-th square number.

It is an amenable number.

51722585476 is a deficient number, since it is larger than the sum of its proper divisors (44443898763).

51722585476 is an frugal number, since it uses more digits than its factorization.

51722585476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13416 (or 6708 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The spelling of 51722585476 in words is "fifty-one billion, seven hundred twenty-two million, five hundred eighty-five thousand, four hundred seventy-six".