49639492 has 24 divisors (see below), whose sum is σ = 100540160. Its totient is φ = 21003840.

The previous prime is 49639477. The next prime is 49639523. The reversal of 49639492 is 29493694.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9009 + ... + 13432.

Almost surely, 2^49639492 is an apocalyptic number.

It is an amenable number.

49639492 is an abundant number, since it is smaller than the sum of its proper divisors (50900668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49639492 is a wasteful number, since it uses less digits than its factorization.

49639492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22531 (or 22529 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 49639492 is about 7045.5299303885. The cubic root of 49639492 is about 367.5155980854.

The spelling of 49639492 in words is "forty-nine million, six hundred thirty-nine thousand, four hundred ninety-two".