56553982650 has 384 divisors, whose sum is σ = 173337477120. Its totient is φ = 13444704000.

The previous prime is 56553982633. The next prime is 56553982673. The reversal of 56553982650 is 5628935565.

56553982650 is a `hidden beast` number, since 5 + 6 + 553 + 9 + 82 + 6 + 5 + 0 = 666.

56553982650 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 (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 296094055 + ... + 296094245.

It is an arithmetic number, because the mean of its divisors is an integer number (451399680).

Almost surely, 2^56553982650 is an apocalyptic number.

56553982650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56553982650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86668738560).

56553982650 is an abundant number, since it is smaller than the sum of its proper divisors (116783494470).

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

56553982650 is a wasteful number, since it uses less digits than its factorization.

56553982650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 56553982650 in words is "fifty-six billion, five hundred fifty-three million, nine hundred eighty-two thousand, six hundred fifty".