49597137 has 8 divisors (see below), whose sum is σ = 73477280. Its totient is φ = 33064740.

The previous prime is 49597133. The next prime is 49597139. The reversal of 49597137 is 73179594.

49597137 is a `hidden beast` number, since 49 + 597 + 13 + 7 = 666.

It is not a de Polignac number, because 49597137 - 2² = 49597133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49597092 and 49597101.

It is not an unprimeable number, because it can be changed into a prime (49597133) 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, 918439 + ... + 918492.

It is an arithmetic number, because the mean of its divisors is an integer number (9184660).

Almost surely, 2^49597137 is an apocalyptic number.

It is an amenable number.

49597137 is a deficient number, since it is larger than the sum of its proper divisors (23880143).

49597137 is a wasteful number, since it uses less digits than its factorization.

49597137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836940 (or 1836934 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 49597137 is about 7042.5234823890. The cubic root of 49597137 is about 367.4110405251.

The spelling of 49597137 in words is "forty-nine million, five hundred ninety-seven thousand, one hundred thirty-seven".