49657701 has 4 divisors (see below), whose sum is σ = 66210272. Its totient is φ = 33105132.

The previous prime is 49657679. The next prime is 49657703. The reversal of 49657701 is 10775694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49657701 - 2⁶ = 49657637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49657701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49657703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8276281 + ... + 8276286.

It is an arithmetic number, because the mean of its divisors is an integer number (16552568).

Almost surely, 2^49657701 is an apocalyptic number.

It is an amenable number.

49657701 is a deficient number, since it is larger than the sum of its proper divisors (16552571).

49657701 is a wasteful number, since it uses less digits than its factorization.

49657701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16552570.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 49657701 is about 7046.8220496902. The cubic root of 49657701 is about 367.5605305451.

The spelling of 49657701 in words is "forty-nine million, six hundred fifty-seven thousand, seven hundred one".