49211957 has 16 divisors (see below), whose sum is σ = 55267200. Its totient is φ = 43545600.

The previous prime is 49211941. The next prime is 49211963. The reversal of 49211957 is 75911294.

It is a cyclic number.

It is not a de Polignac number, because 49211957 - 2⁴ = 49211941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49211957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49211257) 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, 48269 + ... + 49277.

It is an arithmetic number, because the mean of its divisors is an integer number (3454200).

Almost surely, 2^49211957 is an apocalyptic number.

It is an amenable number.

49211957 is a deficient number, since it is larger than the sum of its proper divisors (6055243).

49211957 is a wasteful number, since it uses less digits than its factorization.

49211957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196.

The product of its digits is 22680, while the sum is 38.

The square root of 49211957 is about 7015.1234486643. The cubic root of 49211957 is about 366.4574416094.

The spelling of 49211957 in words is "forty-nine million, two hundred eleven thousand, nine hundred fifty-seven".