49646559 has 4 divisors (see below), whose sum is σ = 66195416. Its totient is φ = 33097704.

The previous prime is 49646549. The next prime is 49646573. The reversal of 49646559 is 95564694.

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

It is not a de Polignac number, because 49646559 - 2⁷ = 49646431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49646549) 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, 8274424 + ... + 8274429.

It is an arithmetic number, because the mean of its divisors is an integer number (16548854).

Almost surely, 2^49646559 is an apocalyptic number.

49646559 is a deficient number, since it is larger than the sum of its proper divisors (16548857).

49646559 is a wasteful number, since it uses less digits than its factorization.

49646559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16548856.

The product of its digits is 1166400, while the sum is 48.

The square root of 49646559 is about 7046.0314362058. The cubic root of 49646559 is about 367.5330378924.

It can be divided in two parts, 49646 and 559, that added together give a palindrome (50205).

The spelling of 49646559 in words is "forty-nine million, six hundred forty-six thousand, five hundred fifty-nine".