56684005620 has 96 divisors (see below), whose sum is σ = 176410846080. Its totient is φ = 13482293760.

The previous prime is 56684005619. The next prime is 56684005621. The reversal of 56684005620 is 2650048665.

It is an interprime number because it is at equal distance from previous prime (56684005619) and next prime (56684005621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56684005621) 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, 775255 + ... + 845214.

It is an arithmetic number, because the mean of its divisors is an integer number (1837612980).

Almost surely, 2^56684005620 is an apocalyptic number.

It is an amenable number.

56684005620 is an abundant number, since it is smaller than the sum of its proper divisors (119726840460).

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

56684005620 is a wasteful number, since it uses less digits than its factorization.

56684005620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620545 (or 1620543 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 56684005620 in words is "fifty-six billion, six hundred eighty-four million, five thousand, six hundred twenty".