49820957 has 16 divisors (see below), whose sum is σ = 52377600. Its totient is φ = 47355840.

The previous prime is 49820933. The next prime is 49820971. The reversal of 49820957 is 75902894.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49820957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392228 + ... + 392354.

It is an arithmetic number, because the mean of its divisors is an integer number (3273600).

Almost surely, 2^49820957 is an apocalyptic number.

It is an amenable number.

49820957 is a deficient number, since it is larger than the sum of its proper divisors (2556643).

49820957 is a wasteful number, since it uses less digits than its factorization.

49820957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 49820957 is about 7058.3962059380. The cubic root of 49820957 is about 367.9628905751.

The spelling of 49820957 in words is "forty-nine million, eight hundred twenty thousand, nine hundred fifty-seven".