50221136 has 40 divisors (see below), whose sum is σ = 114218880. Its totient is φ = 20939904.

The previous prime is 50221133. The next prime is 50221159. The reversal of 50221136 is 63112205.

It is a super-2 number, since 2×50221136² = 5044325002260992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (2855472).

Almost surely, 2^50221136 is an apocalyptic number.

50221136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50221136 is an abundant number, since it is smaller than the sum of its proper divisors (63997744).

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

50221136 is a wasteful number, since it uses less digits than its factorization.

50221136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171 (or 12165 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 50221136 is about 7086.6872373486. The cubic root of 50221136 is about 368.9454658039.

The spelling of 50221136 in words is "fifty million, two hundred twenty-one thousand, one hundred thirty-six".