49642864 has 30 divisors (see below), whose sum is σ = 97448624. Its totient is φ = 24498720.

The previous prime is 49642829. The next prime is 49642871. The reversal of 49642864 is 46824694.

It is a super-2 number, since 2×49642864² = 4928827892244992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49642864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183049 + ... + 183319.

Almost surely, 2^49642864 is an apocalyptic number.

It is an amenable number.

49642864 is a deficient number, since it is larger than the sum of its proper divisors (47805760).

49642864 is a wasteful number, since it uses less digits than its factorization.

49642864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 380 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 49642864 is about 7045.7692269901. The cubic root of 49642864 is about 367.5239196488.

The spelling of 49642864 in words is "forty-nine million, six hundred forty-two thousand, eight hundred sixty-four".