49610639 has 4 divisors (see below), whose sum is σ = 53426856. Its totient is φ = 45794424.

The previous prime is 49610579. The next prime is 49610651. The reversal of 49610639 is 93601694.

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

It is not a de Polignac number, because 49610639 - 2⁸ = 49610383 is a prime.

It is a super-2 number, since 2×49610639² = 4922431003976642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49610669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908089 + ... + 1908114.

It is an arithmetic number, because the mean of its divisors is an integer number (13356714).

Almost surely, 2^49610639 is an apocalyptic number.

49610639 is a deficient number, since it is larger than the sum of its proper divisors (3816217).

49610639 is a wasteful number, since it uses less digits than its factorization.

49610639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816216.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 49610639 is about 7043.4820224091. The cubic root of 49610639 is about 367.4443780258. Note that the first 3 decimals are identical.

The spelling of 49610639 in words is "forty-nine million, six hundred ten thousand, six hundred thirty-nine".