56100500 has 96 divisors (see below), whose sum is σ = 130908960. Its totient is φ = 20966400.

The previous prime is 56100497. The next prime is 56100511. The reversal of 56100500 is 500165.

It can be written as a sum of positive squares in 16 ways, for example, as 30980356 + 25120144 = 5566^2 + 5012^2 .

It is a super-2 number, since 2×56100500² = 6294532200500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768464 + ... + 768536.

It is an arithmetic number, because the mean of its divisors is an integer number (1363635).

Almost surely, 2^56100500 is an apocalyptic number.

56100500 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 56100500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65454480).

56100500 is an abundant number, since it is smaller than the sum of its proper divisors (74808460).

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

56100500 is a wasteful number, since it uses less digits than its factorization.

56100500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 56100500 is about 7490.0267022221. The cubic root of 56100500 is about 382.8149683306.

Adding to 56100500 its reverse (500165), we get a palindrome (56600665).

The spelling of 56100500 in words is "fifty-six million, one hundred thousand, five hundred".