49389577 has 2 divisors, whose sum is σ = 49389578. Its totient is φ = 49389576.

The previous prime is 49389563. The next prime is 49389601. The reversal of 49389577 is 77598394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27290176 + 22099401 = 5224^2 + 4701^2 .

It is a cyclic number.

It is not a de Polignac number, because 49389577 - 2¹⁵ = 49356809 is a prime.

It is not a weakly prime, because it can be changed into another prime (49389547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24694788 + 24694789.

It is an arithmetic number, because the mean of its divisors is an integer number (24694789).

Almost surely, 2^49389577 is an apocalyptic number.

It is an amenable number.

49389577 is a deficient number, since it is larger than the sum of its proper divisors (1).

49389577 is an equidigital number, since it uses as much as digits as its factorization.

49389577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 49389577 is about 7027.7718375030. The cubic root of 49389577 is about 366.8977954158.

The spelling of 49389577 in words is "forty-nine million, three hundred eighty-nine thousand, five hundred seventy-seven".