50398564 has 24 divisors (see below), whose sum is σ = 93895200. Its totient is φ = 23601600.

The previous prime is 50398547. The next prime is 50398571. The reversal of 50398564 is 46589305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^50398564 is an apocalyptic number.

It is an amenable number.

50398564 is a deficient number, since it is larger than the sum of its proper divisors (43496636).

50398564 is a wasteful number, since it uses less digits than its factorization.

50398564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 50398564 is about 7099.1946022066. The cubic root of 50398564 is about 369.3794418954.

The spelling of 50398564 in words is "fifty million, three hundred ninety-eight thousand, five hundred sixty-four".