49590869 has 2 divisors, whose sum is σ = 49590870. Its totient is φ = 49590868.

The previous prime is 49590859. The next prime is 49590901. The reversal of 49590869 is 96809594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 4566769 = 6710^2 + 2137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49590869 is a prime.

It is a super-2 number, since 2×49590869² = 4918508576350322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49590809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24795434 + 24795435.

It is an arithmetic number, because the mean of its divisors is an integer number (24795435).

Almost surely, 2^49590869 is an apocalyptic number.

It is an amenable number.

49590869 is a deficient number, since it is larger than the sum of its proper divisors (1).

49590869 is an equidigital number, since it uses as much as digits as its factorization.

49590869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 49590869 is about 7042.0784573874. The cubic root of 49590869 is about 367.3955622834.

The spelling of 49590869 in words is "forty-nine million, five hundred ninety thousand, eight hundred sixty-nine".