49653239 has 4 divisors (see below), whose sum is σ = 49676856. Its totient is φ = 49629624.

The previous prime is 49653221. The next prime is 49653281. The reversal of 49653239 is 93235694.

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 49653239 - 2⁸ = 49652983 is a prime.

It is a super-2 number, since 2×49653239² = 4930888286382242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49653196 and 49653205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49653139) 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, 8309 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (12419214).

Almost surely, 2^49653239 is an apocalyptic number.

49653239 is a deficient number, since it is larger than the sum of its proper divisors (23617).

49653239 is a wasteful number, since it uses less digits than its factorization.

49653239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23616.

The product of its digits is 174960, while the sum is 41.

The square root of 49653239 is about 7046.5054459640. The cubic root of 49653239 is about 367.5495211469.

It can be divided in two parts, 496 and 53239, that added together give a palindrome (53735).

The spelling of 49653239 in words is "forty-nine million, six hundred fifty-three thousand, two hundred thirty-nine".