49879137 has 16 divisors (see below), whose sum is σ = 82916352. Its totient is φ = 25911120.

The previous prime is 49879117. The next prime is 49879147. The reversal of 49879137 is 73197894.

It is not a de Polignac number, because 49879137 - 2⁶ = 49879073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49879117) 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, 107733 + ... + 108194.

It is an arithmetic number, because the mean of its divisors is an integer number (5182272).

Almost surely, 2^49879137 is an apocalyptic number.

It is an amenable number.

49879137 is a deficient number, since it is larger than the sum of its proper divisors (33037215).

49879137 is a wasteful number, since it uses less digits than its factorization.

49879137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215948.

The product of its digits is 381024, while the sum is 48.

The square root of 49879137 is about 7062.5163362643. The cubic root of 49879137 is about 368.1060682948.

The spelling of 49879137 in words is "forty-nine million, eight hundred seventy-nine thousand, one hundred thirty-seven".