49799220 has 24 divisors (see below), whose sum is σ = 139437984. Its totient is φ = 13279776.

The previous prime is 49799219. The next prime is 49799279. The reversal of 49799220 is 2299794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414934 + ... + 415053.

It is an arithmetic number, because the mean of its divisors is an integer number (5809916).

Almost surely, 2^49799220 is an apocalyptic number.

It is an amenable number.

49799220 is an abundant number, since it is smaller than the sum of its proper divisors (89638764).

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

49799220 is a wasteful number, since it uses less digits than its factorization.

49799220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829999 (or 829997 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 49799220 is about 7056.8562405649. The cubic root of 49799220 is about 367.9093684340.

The spelling of 49799220 in words is "forty-nine million, seven hundred ninety-nine thousand, two hundred twenty".