49621126564 has 27 divisors (see below), whose sum is σ = 87626026593. Its totient is φ = 24587137008.

The previous prime is 49621126547. The next prime is 49621126571. The reversal of 49621126564 is 46562112694.

The square root of 49621126564 is 222758.

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

49621126564 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 only one way, i.e., 41807980900 + 7813145664 = 204470^2 + 88392^2 .

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, 56580094 + ... + 56580970.

Almost surely, 2^49621126564 is an apocalyptic number.

49621126564 is the 222758-th square number.

It is an amenable number.

49621126564 is a deficient number, since it is larger than the sum of its proper divisors (38004900029).

49621126564 is an frugal number, since it uses more digits than its factorization.

49621126564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 1006 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 49621126564 in words is "forty-nine billion, six hundred twenty-one million, one hundred twenty-six thousand, five hundred sixty-four".