49988931 has 8 divisors (see below), whose sum is σ = 66898944. Its totient is φ = 33202440.

The previous prime is 49988927. The next prime is 49988933. The reversal of 49988931 is 13988994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49988931 - 2² = 49988927 is a prime.

It is a super-2 number, since 2×49988931² = 4997786445045522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49988933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29931 + ... + 31556.

It is an arithmetic number, because the mean of its divisors is an integer number (8362368).

Almost surely, 2^49988931 is an apocalyptic number.

49988931 is a deficient number, since it is larger than the sum of its proper divisors (16910013).

49988931 is a wasteful number, since it uses less digits than its factorization.

49988931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61761.

The product of its digits is 559872, while the sum is 51.

The square root of 49988931 is about 7070.2850720462. The cubic root of 49988931 is about 368.3759621612.

The spelling of 49988931 in words is "forty-nine million, nine hundred eighty-eight thousand, nine hundred thirty-one".