49490664 has 32 divisors (see below), whose sum is σ = 129107520. Its totient is φ = 15779456.

The previous prime is 49490657. The next prime is 49490677. The reversal of 49490664 is 46609494.

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, 44277 + ... + 45380.

It is an arithmetic number, because the mean of its divisors is an integer number (4034610).

Almost surely, 2^49490664 is an apocalyptic number.

It is an amenable number.

49490664 is an abundant number, since it is smaller than the sum of its proper divisors (79616856).

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

49490664 is a wasteful number, since it uses less digits than its factorization.

49490664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89689 (or 89685 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 49490664 is about 7034.9601278188. The cubic root of 49490664 is about 367.1479380910.

The spelling of 49490664 in words is "forty-nine million, four hundred ninety thousand, six hundred sixty-four".