56099400 has 288 divisors, whose sum is σ = 215432640. Its totient is φ = 11819520.

The previous prime is 56099399. The next prime is 56099411. The reversal of 56099400 is 499065.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1516182 + ... + 1516218.

It is an arithmetic number, because the mean of its divisors is an integer number (748030).

Almost surely, 2^56099400 is an apocalyptic number.

56099400 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 56099400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107716320).

56099400 is an abundant number, since it is smaller than the sum of its proper divisors (159333240).

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

56099400 is a wasteful number, since it uses less digits than its factorization.

56099400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 56099400 is about 7489.9532708823. The cubic root of 56099400 is about 382.8124662779.

The spelling of 56099400 in words is "fifty-six million, ninety-nine thousand, four hundred".