49879164 has 24 divisors (see below), whose sum is σ = 116903808. Its totient is φ = 16552240.

The previous prime is 49879147. The next prime is 49879189. The reversal of 49879164 is 46197894.

It is a congruent number.

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, 6432 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (4870992).

Almost surely, 2^49879164 is an apocalyptic number.

It is an amenable number.

49879164 is an abundant number, since it is smaller than the sum of its proper divisors (67024644).

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

49879164 is a wasteful number, since it uses less digits than its factorization.

49879164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545 (or 18543 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 49879164 is about 7062.5182477640. The cubic root of 49879164 is about 368.1061347145.

The spelling of 49879164 in words is "forty-nine million, eight hundred seventy-nine thousand, one hundred sixty-four".