49915529 has 2 divisors, whose sum is σ = 49915530. Its totient is φ = 49915528.

The previous prime is 49915511. The next prime is 49915571. The reversal of 49915529 is 92551994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 9909904 = 6325^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 49915529 - 2⁸ = 49915273 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49915529.

It is not a weakly prime, because it can be changed into another prime (49915729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24957764 + 24957765.

It is an arithmetic number, because the mean of its divisors is an integer number (24957765).

Almost surely, 2^49915529 is an apocalyptic number.

It is an amenable number.

49915529 is a deficient number, since it is larger than the sum of its proper divisors (1).

49915529 is an equidigital number, since it uses as much as digits as its factorization.

49915529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 44.

The square root of 49915529 is about 7065.0922853138. The cubic root of 49915529 is about 368.1955703740.

The spelling of 49915529 in words is "forty-nine million, nine hundred fifteen thousand, five hundred twenty-nine".