49911620 has 24 divisors (see below), whose sum is σ = 114343488. Its totient is φ = 18149600.

The previous prime is 49911611. The next prime is 49911649. The reversal of 49911620 is 2611994.

It is a super-2 number, since 2×49911620² = 4982339622048800, which contains 22 as substring.

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, 113216 + ... + 113655.

It is an arithmetic number, because the mean of its divisors is an integer number (4764312).

Almost surely, 2^49911620 is an apocalyptic number.

It is an amenable number.

49911620 is an abundant number, since it is smaller than the sum of its proper divisors (64431868).

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

49911620 is a wasteful number, since it uses less digits than its factorization.

49911620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226891 (or 226889 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 49911620 is about 7064.8156380758. The cubic root of 49911620 is about 368.1859587088.

The spelling of 49911620 in words is "forty-nine million, nine hundred eleven thousand, six hundred twenty".