56990385600 has 168 divisors, whose sum is σ = 187108917120. Its totient is φ = 15186631680.

The previous prime is 56990385587. The next prime is 56990385607. The reversal of 56990385600 is 658309965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56990385607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8555071 + ... + 8561729.

Almost surely, 2^56990385600 is an apocalyptic number.

56990385600 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 56990385600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93554458560).

56990385600 is an abundant number, since it is smaller than the sum of its proper divisors (130118531520).

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

56990385600 is a wasteful number, since it uses less digits than its factorization.

56990385600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 56990385600 in words is "fifty-six billion, nine hundred ninety million, three hundred eighty-five thousand, six hundred".