49935990 has 128 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 11100672.

The previous prime is 49935989. The next prime is 49936027. The reversal of 49935990 is 9953994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170284 + ... + 170576.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^49935990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49935990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71124480).

49935990 is an abundant number, since it is smaller than the sum of its proper divisors (92312970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49935990 is a wasteful number, since it uses less digits than its factorization.

49935990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 49935990 is about 7066.5401718238. The cubic root of 49935990 is about 368.2458728254.

The spelling of 49935990 in words is "forty-nine million, nine hundred thirty-five thousand, nine hundred ninety".