56842216620 has 192 divisors, whose sum is σ = 183151051776. Its totient is φ = 12903137280.

The previous prime is 56842216619. The next prime is 56842216649. The reversal of 56842216620 is 2661224865.

It is a happy number.

56842216620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60022987 + ... + 60023933.

It is an arithmetic number, because the mean of its divisors is an integer number (953911728).

Almost surely, 2^56842216620 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 56842216620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91575525888).

56842216620 is an abundant number, since it is smaller than the sum of its proper divisors (126308835156).

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

56842216620 is a wasteful number, since it uses less digits than its factorization.

56842216620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 56842216620 in words is "fifty-six billion, eight hundred forty-two million, two hundred sixteen thousand, six hundred twenty".