56621037330 has 384 divisors, whose sum is σ = 178902307584. Its totient is φ = 12241152000.

The previous prime is 56621037323. The next prime is 56621037337. The reversal of 56621037330 is 3373012665.

56621037330 is a `hidden beast` number, since 566 + 21 + 0 + 3 + 73 + 3 + 0 = 666.

56621037330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56621037323) and next prime (56621037337).

It is not an unprimeable number, because it can be changed into a prime (56621037337) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 55893904 + ... + 55894916.

It is an arithmetic number, because the mean of its divisors is an integer number (465891426).

Almost surely, 2^56621037330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56621037330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89451153792).

56621037330 is an abundant number, since it is smaller than the sum of its proper divisors (122281270254).

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

56621037330 is a wasteful number, since it uses less digits than its factorization.

56621037330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

Adding to 56621037330 its reverse (3373012665), we get a palindrome (59994049995).

The spelling of 56621037330 in words is "fifty-six billion, six hundred twenty-one million, thirty-seven thousand, three hundred thirty".