49968531 has 12 divisors (see below), whose sum is σ = 72746752. Its totient is φ = 33049296.

The previous prime is 49968517. The next prime is 49968539. The reversal of 49968531 is 13586994.

It is a happy number.

It is not a de Polignac number, because 49968531 - 2⁷ = 49968403 is a prime.

It is a super-2 number, since 2×49968531² = 4993708180595922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49968539) 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, 20716 + ... + 23001.

Almost surely, 2^49968531 is an apocalyptic number.

49968531 is a deficient number, since it is larger than the sum of its proper divisors (22778221).

49968531 is a wasteful number, since it uses less digits than its factorization.

49968531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43850 (or 43847 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49968531 is about 7068.8422673023. The cubic root of 49968531 is about 368.3258451189.

The spelling of 49968531 in words is "forty-nine million, nine hundred sixty-eight thousand, five hundred thirty-one".