49657656 has 16 divisors (see below), whose sum is σ = 124144200. Its totient is φ = 16552544.

The previous prime is 49657637. The next prime is 49657679. The reversal of 49657656 is 65675694.

It is a congruent number.

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, 1034511 + ... + 1034558.

Almost surely, 2^49657656 is an apocalyptic number.

It is an amenable number.

49657656 is an abundant number, since it is smaller than the sum of its proper divisors (74486544).

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

49657656 is a wasteful number, since it uses less digits than its factorization.

49657656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069078 (or 2069074 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 49657656 is about 7046.8188567608. The cubic root of 49657656 is about 367.5604195168.

It can be divided in two parts, 4965 and 7656, that added together give a palindrome (12621).

The spelling of 49657656 in words is "forty-nine million, six hundred fifty-seven thousand, six hundred fifty-six".