49893931 has 4 divisors (see below), whose sum is σ = 50955552. Its totient is φ = 48832312.

The previous prime is 49893887. The next prime is 49893941. The reversal of 49893931 is 13939894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49893931 is a prime.

It is a super-2 number, since 2×49893931² = 4978808701265522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49893941) 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, 530740 + ... + 530833.

It is an arithmetic number, because the mean of its divisors is an integer number (12738888).

Almost surely, 2^49893931 is an apocalyptic number.

49893931 is a deficient number, since it is larger than the sum of its proper divisors (1061621).

49893931 is a wasteful number, since it uses less digits than its factorization.

49893931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061620.

The product of its digits is 209952, while the sum is 46.

The square root of 49893931 is about 7063.5636190240. The cubic root of 49893931 is about 368.1424577433.

The spelling of 49893931 in words is "forty-nine million, eight hundred ninety-three thousand, nine hundred thirty-one".