49819959 has 12 divisors (see below), whose sum is σ = 82242576. Its totient is φ = 28468512.

The previous prime is 49819951. The next prime is 49819969. The reversal of 49819959 is 95991894.

It is not a de Polignac number, because 49819959 - 2³ = 49819951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49819951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395334 + ... + 395459.

It is an arithmetic number, because the mean of its divisors is an integer number (6853548).

Almost surely, 2^49819959 is an apocalyptic number.

49819959 is a deficient number, since it is larger than the sum of its proper divisors (32422617).

49819959 is a wasteful number, since it uses less digits than its factorization.

49819959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790806 (or 790803 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 49819959 is about 7058.3255096375. The cubic root of 49819959 is about 367.9604335808.

The spelling of 49819959 in words is "forty-nine million, eight hundred nineteen thousand, nine hundred fifty-nine".