49572131904 has 63 divisors (see below), whose sum is σ = 142104883557. Its totient is φ = 16522262784.

The previous prime is 49572131881. The next prime is 49572131927. The reversal of 49572131904 is 40913127594.

The square root of 49572131904 is 222648.

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

49572131904 is a `hidden beast` number, since 49 + 572 + 1 + 31 + 9 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (49572131881) and next prime (49572131927).

It can be written as a sum of positive squares in only one way, i.e., 40594190400 + 8977941504 = 201480^2 + 94752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49572131904.

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, 5338914 + ... + 5348190.

Almost surely, 2^49572131904 is an apocalyptic number.

49572131904 is the 222648-th square number.

It is an amenable number.

49572131904 is an abundant number, since it is smaller than the sum of its proper divisors (92532751653).

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

49572131904 is an frugal number, since it uses more digits than its factorization.

49572131904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572 (or 9282 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

It can be divided in two parts, 49572 and 131904, that added together give a square (181476 = 426²).

The spelling of 49572131904 in words is "forty-nine billion, five hundred seventy-two million, one hundred thirty-one thousand, nine hundred four".