50021565400 has 48 divisors (see below), whose sum is σ = 119443404240. Its totient is φ = 19467849600.

The previous prime is 50021565389. The next prime is 50021565401. The reversal of 50021565400 is 456512005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021565401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3372436 + ... + 3387235.

It is an arithmetic number, because the mean of its divisors is an integer number (2488404255).

Almost surely, 2^50021565400 is an apocalyptic number.

50021565400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50021565400 is an abundant number, since it is smaller than the sum of its proper divisors (69421838840).

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

50021565400 is a wasteful number, since it uses less digits than its factorization.

50021565400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759724 (or 6759715 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 50021565400 in words is "fifty billion, twenty-one million, five hundred sixty-five thousand, four hundred".