50566290 has 16 divisors (see below), whose sum is σ = 121359168. Its totient is φ = 13484336.

The previous prime is 50566283. The next prime is 50566291. The reversal of 50566290 is 9266505.

It is not an unprimeable number, because it can be changed into a prime (50566291) 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, 842742 + ... + 842801.

It is an arithmetic number, because the mean of its divisors is an integer number (7584948).

Almost surely, 2^50566290 is an apocalyptic number.

50566290 is an abundant number, since it is smaller than the sum of its proper divisors (70792878).

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

50566290 is a wasteful number, since it uses less digits than its factorization.

50566290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685553.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 50566290 is about 7110.9978202781. The cubic root of 50566290 is about 369.7887520694.

It can be divided in two parts, 505 and 66290, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 50566290 in words is "fifty million, five hundred sixty-six thousand, two hundred ninety".