49508157 has 4 divisors (see below), whose sum is σ = 66010880. Its totient is φ = 33005436.

The previous prime is 49508143. The next prime is 49508159. The reversal of 49508157 is 75180594.

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 49508157 - 2⁴ = 49508141 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 (49508159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8251357 + ... + 8251362.

It is an arithmetic number, because the mean of its divisors is an integer number (16502720).

Almost surely, 2^49508157 is an apocalyptic number.

It is an amenable number.

49508157 is a deficient number, since it is larger than the sum of its proper divisors (16502723).

49508157 is a wasteful number, since it uses less digits than its factorization.

49508157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16502722.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 49508157 is about 7036.2033086033. The cubic root of 49508157 is about 367.1911904394.

The spelling of 49508157 in words is "forty-nine million, five hundred eight thousand, one hundred fifty-seven".