56221413120 has 252 divisors, whose sum is σ = 201912766776. Its totient is φ = 14992128000.

The previous prime is 56221413067. The next prime is 56221413137. The reversal of 56221413120 is 2131412265.

56221413120 is a `hidden beast` number, since 5 + 6 + 221 + 413 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 902995 + ... + 963245.

It is an arithmetic number, because the mean of its divisors is an integer number (801241138).

Almost surely, 2^56221413120 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 56221413120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100956383388).

56221413120 is an abundant number, since it is smaller than the sum of its proper divisors (145691353656).

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

56221413120 is an frugal number, since it uses more digits than its factorization.

56221413120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60290 (or 60261 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 56221413120 its reverse (2131412265), we get a palindrome (58352825385).

The spelling of 56221413120 in words is "fifty-six billion, two hundred twenty-one million, four hundred thirteen thousand, one hundred twenty".