49181164 has 12 divisors (see below), whose sum is σ = 88068904. Its totient is φ = 24018624.

The previous prime is 49181137. The next prime is 49181173. The reversal of 49181164 is 46118194.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142797 + ... + 143140.

Almost surely, 2^49181164 is an apocalyptic number.

It is an amenable number.

49181164 is a deficient number, since it is larger than the sum of its proper divisors (38887740).

49181164 is a wasteful number, since it uses less digits than its factorization.

49181164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285984 (or 285982 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 49181164 is about 7012.9283469889. The cubic root of 49181164 is about 366.3809921777.

The spelling of 49181164 in words is "forty-nine million, one hundred eighty-one thousand, one hundred sixty-four".