56515307200 has 168 divisors, whose sum is σ = 151907223744. Its totient is φ = 20523648000.

The previous prime is 56515307179. The next prime is 56515307287. The reversal of 56515307200 is 270351565.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17087947 + ... + 17091253.

Almost surely, 2^56515307200 is an apocalyptic number.

56515307200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56515307200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75953611872).

56515307200 is an abundant number, since it is smaller than the sum of its proper divisors (95391916544).

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

56515307200 is a wasteful number, since it uses less digits than its factorization.

56515307200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

Adding to 56515307200 its reverse (270351565), we get a palindrome (56785658765).

The spelling of 56515307200 in words is "fifty-six billion, five hundred fifteen million, three hundred seven thousand, two hundred".