50664090 has 16 divisors (see below), whose sum is σ = 121593888. Its totient is φ = 13510416.

The previous prime is 50664083. The next prime is 50664091. The reversal of 50664090 is 9046605.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1688803 = 50664090 / (5 + 0 + 6 + 6 + 4 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (50664091) 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, 844372 + ... + 844431.

It is an arithmetic number, because the mean of its divisors is an integer number (7599618).

Almost surely, 2^50664090 is an apocalyptic number.

50664090 is an abundant number, since it is smaller than the sum of its proper divisors (70929798).

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

50664090 is a wasteful number, since it uses less digits than its factorization.

50664090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688813.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 50664090 is about 7117.8711705116. The cubic root of 50664090 is about 370.0270007079.

The spelling of 50664090 in words is "fifty million, six hundred sixty-four thousand, ninety".