5056421660 has 96 divisors (see below), whose sum is σ = 11301534720. Its totient is φ = 1896288768.

The previous prime is 5056421659. The next prime is 5056421663. The reversal of 5056421660 is 661246505.

It is a self number, because there is not a number n which added to its sum of digits gives 5056421660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5056421663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11064152 + ... + 11064608.

It is an arithmetic number, because the mean of its divisors is an integer number (117724320).

Almost surely, 2^5056421660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5056421660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5650767360).

5056421660 is an abundant number, since it is smaller than the sum of its proper divisors (6245113060).

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

5056421660 is a wasteful number, since it uses less digits than its factorization.

5056421660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 5056421660 is about 71108.5203052349. The cubic root of 5056421660 is about 1716.3838824529.

The spelling of 5056421660 in words is "five billion, fifty-six million, four hundred twenty-one thousand, six hundred sixty".