50420664 has 64 divisors (see below), whose sum is σ = 160070400. Its totient is φ = 14405472.

The previous prime is 50420653. The next prime is 50420683. The reversal of 50420664 is 46602405.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

50420664 is a modest number, since divided by 20664 gives 504 as remainder.

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, 15162 + ... + 18185.

It is an arithmetic number, because the mean of its divisors is an integer number (2501100).

Almost surely, 2^50420664 is an apocalyptic number.

50420664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

50420664 is an abundant number, since it is smaller than the sum of its proper divisors (109649736).

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

50420664 is a wasteful number, since it uses less digits than its factorization.

50420664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33369 (or 33359 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 50420664 is about 7100.7509462028. The cubic root of 50420664 is about 369.4334255284.

The spelling of 50420664 in words is "fifty million, four hundred twenty thousand, six hundred sixty-four".