49929231 has 16 divisors (see below), whose sum is σ = 73503360. Its totient is φ = 29893920.

The previous prime is 49929227. The next prime is 49929263. The reversal of 49929231 is 13292994.

It is not a de Polignac number, because 49929231 - 2² = 49929227 is a prime.

It is a super-2 number, since 2×49929231² = 4985856216502722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49929231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49929631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6376 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (4593960).

Almost surely, 2^49929231 is an apocalyptic number.

49929231 is a deficient number, since it is larger than the sum of its proper divisors (23574129).

49929231 is a wasteful number, since it uses less digits than its factorization.

49929231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18326.

The product of its digits is 34992, while the sum is 39.

The square root of 49929231 is about 7066.0619159472. The cubic root of 49929231 is about 368.2292576469.

The spelling of 49929231 in words is "forty-nine million, nine hundred twenty-nine thousand, two hundred thirty-one".