50507220 has 48 divisors (see below), whose sum is σ = 145248768. Its totient is φ = 13104000.

The previous prime is 50507209. The next prime is 50507231. The reversal of 50507220 is 2270505.

It is an interprime number because it is at equal distance from previous prime (50507209) and next prime (50507231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (3026016).

Almost surely, 2^50507220 is an apocalyptic number.

It is an amenable number.

50507220 is an abundant number, since it is smaller than the sum of its proper divisors (94741548).

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

50507220 is a wasteful number, since it uses less digits than its factorization.

50507220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800 (or 22798 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 50507220 is about 7106.8431810474. The cubic root of 50507220 is about 369.6447039779.

Adding to 50507220 its reverse (2270505), we get a palindrome (52777725).

The spelling of 50507220 in words is "fifty million, five hundred seven thousand, two hundred twenty".