50979249 has 12 divisors (see below), whose sum is σ = 73876036. Its totient is φ = 33875712.

The previous prime is 50979217. The next prime is 50979251. The reversal of 50979249 is 94297905.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 48441600 = 1593^2 + 6960^2 .

It is not a de Polignac number, because 50979249 - 2⁵ = 50979217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50979259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6232 + ... + 11865.

Almost surely, 2^50979249 is an apocalyptic number.

It is an amenable number.

50979249 is a deficient number, since it is larger than the sum of its proper divisors (22896787).

50979249 is a wasteful number, since it uses less digits than its factorization.

50979249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416 (or 18413 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 50979249 is about 7139.9754201258. The cubic root of 50979249 is about 370.7926736158.

The spelling of 50979249 in words is "fifty million, nine hundred seventy-nine thousand, two hundred forty-nine".