49991950 has 24 divisors (see below), whose sum is σ = 93340008. Its totient is φ = 19920480.

The previous prime is 49991927. The next prime is 49991993. The reversal of 49991950 is 5919994.

It is a self number, because there is not a number n which added to its sum of digits gives 49991950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12384 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (3889167).

Almost surely, 2^49991950 is an apocalyptic number.

49991950 is a deficient number, since it is larger than the sum of its proper divisors (43348058).

49991950 is a wasteful number, since it uses less digits than its factorization.

49991950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 49991950 is about 7070.4985679936. The cubic root of 49991950 is about 368.3833778339.

The spelling of 49991950 in words is "forty-nine million, nine hundred ninety-one thousand, nine hundred fifty".