50564233520 has 20 divisors (see below), whose sum is σ = 117561843120. Its totient is φ = 20225693376.

The previous prime is 50564233519. The next prime is 50564233541. The reversal of 50564233520 is 2533246505.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×50564233520² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316026380 + ... + 316026539.

It is an arithmetic number, because the mean of its divisors is an integer number (5878092156).

Almost surely, 2^50564233520 is an apocalyptic number.

It is an amenable number.

50564233520 is an abundant number, since it is smaller than the sum of its proper divisors (66997609600).

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

50564233520 is a wasteful number, since it uses less digits than its factorization.

50564233520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632052932 (or 632052926 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 50564233520 in words is "fifty billion, five hundred sixty-four million, two hundred thirty-three thousand, five hundred twenty".