50156220 has 24 divisors (see below), whose sum is σ = 140437584. Its totient is φ = 13374976.

The previous prime is 50156209. The next prime is 50156269. The reversal of 50156220 is 2265105.

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, 417909 + ... + 418028.

It is an arithmetic number, because the mean of its divisors is an integer number (5851566).

Almost surely, 2^50156220 is an apocalyptic number.

It is an amenable number.

50156220 is an abundant number, since it is smaller than the sum of its proper divisors (90281364).

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

50156220 is a wasteful number, since it uses less digits than its factorization.

50156220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835949 (or 835947 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50156220 is about 7082.1056190938. The cubic root of 50156220 is about 368.7864305672.

The spelling of 50156220 in words is "fifty million, one hundred fifty-six thousand, two hundred twenty".