49996131 has 4 divisors (see below), whose sum is σ = 66661512. Its totient is φ = 33330752.

The previous prime is 49996123. The next prime is 49996157. The reversal of 49996131 is 13169994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49996131 - 2³ = 49996123 is a prime.

It is a super-2 number, since 2×49996131² = 4999226229938322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49996231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332686 + ... + 8332691.

It is an arithmetic number, because the mean of its divisors is an integer number (16665378).

Almost surely, 2^49996131 is an apocalyptic number.

49996131 is a deficient number, since it is larger than the sum of its proper divisors (16665381).

49996131 is a wasteful number, since it uses less digits than its factorization.

49996131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16665380.

The product of its digits is 52488, while the sum is 42.

The square root of 49996131 is about 7070.7942269592. The cubic root of 49996131 is about 368.3936472737.

The spelling of 49996131 in words is "forty-nine million, nine hundred ninety-six thousand, one hundred thirty-one".