49310239 has 4 divisors (see below), whose sum is σ = 53793000. Its totient is φ = 44827480.

The previous prime is 49310197. The next prime is 49310291. The reversal of 49310239 is 93201394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49310239 - 2¹⁵ = 49277471 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 49310239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49310939) 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, 2241364 + ... + 2241385.

It is an arithmetic number, because the mean of its divisors is an integer number (13448250).

Almost surely, 2^49310239 is an apocalyptic number.

49310239 is a deficient number, since it is larger than the sum of its proper divisors (4482761).

49310239 is a wasteful number, since it uses less digits than its factorization.

49310239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482760.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 49310239 is about 7022.1249632857. The cubic root of 49310239 is about 366.7012320950.

The spelling of 49310239 in words is "forty-nine million, three hundred ten thousand, two hundred thirty-nine".