49927668025 has 81 divisors (see below), whose sum is σ = 68043087021. Its totient is φ = 36337519680.

The previous prime is 49927668013. The next prime is 49927668113. The reversal of 49927668025 is 52086672994.

The square root of 49927668025 is 223445.

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 686282809 + 49241385216 = 26197^2 + 221904^2 .

It is not a de Polignac number, because 49927668025 - 2²¹ = 49925570873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 745189042 + ... + 745189108.

Almost surely, 2^49927668025 is an apocalyptic number.

49927668025 is the 223445-th square number.

49927668025 is the 111723-rd centered octagonal number.

It is an amenable number.

49927668025 is a deficient number, since it is larger than the sum of its proper divisors (18115418996).

49927668025 is an equidigital number, since it uses as much as digits as its factorization.

49927668025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 49927668025 in words is "forty-nine billion, nine hundred twenty-seven million, six hundred sixty-eight thousand, twenty-five".