49408959 has 4 divisors (see below), whose sum is σ = 65878616. Its totient is φ = 32939304.

The previous prime is 49408951. The next prime is 49408993. The reversal of 49408959 is 95980494.

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

It is not a de Polignac number, because 49408959 - 2³ = 49408951 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 (49408951) 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, 8234824 + ... + 8234829.

It is an arithmetic number, because the mean of its divisors is an integer number (16469654).

Almost surely, 2^49408959 is an apocalyptic number.

49408959 is a deficient number, since it is larger than the sum of its proper divisors (16469657).

49408959 is a wasteful number, since it uses less digits than its factorization.

49408959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16469656.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 49408959 is about 7029.1506599304. The cubic root of 49408959 is about 366.9457831592.

The spelling of 49408959 in words is "forty-nine million, four hundred eight thousand, nine hundred fifty-nine".