49637157 has 8 divisors (see below), whose sum is σ = 66838560. Its totient is φ = 32763600.

The previous prime is 49637149. The next prime is 49637209. The reversal of 49637157 is 75173694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49637157 - 2³ = 49637149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49637257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81607 + ... + 82212.

It is an arithmetic number, because the mean of its divisors is an integer number (8354820).

Almost surely, 2^49637157 is an apocalyptic number.

It is an amenable number.

49637157 is a deficient number, since it is larger than the sum of its proper divisors (17201403).

49637157 is a wasteful number, since it uses less digits than its factorization.

49637157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163923.

The product of its digits is 158760, while the sum is 42.

The square root of 49637157 is about 7045.3642205354. The cubic root of 49637157 is about 367.5098354534.

It can be divided in two parts, 49637 and 157, that added together give a palindrome (49794).

The spelling of 49637157 in words is "forty-nine million, six hundred thirty-seven thousand, one hundred fifty-seven".