56158600 has 48 divisors (see below), whose sum is σ = 134115300. Its totient is φ = 21853440.

The previous prime is 56158591. The next prime is 56158603. The reversal of 56158600 is 685165.

It can be written as a sum of positive squares in 6 ways, for example, as 14607684 + 41550916 = 3822^2 + 6446^2 .

It is not an unprimeable number, because it can be changed into a prime (56158603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3606 + ... + 11194.

Almost surely, 2^56158600 is an apocalyptic number.

56158600 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 56158600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67057650).

56158600 is an abundant number, since it is smaller than the sum of its proper divisors (77956700).

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

56158600 is a wasteful number, since it uses less digits than its factorization.

56158600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 56158600 is about 7493.9041894062. The cubic root of 56158600 is about 382.9470757449.

The spelling of 56158600 in words is "fifty-six million, one hundred fifty-eight thousand, six hundred".