56501100 has 108 divisors (see below), whose sum is σ = 179934664. Its totient is φ = 14826240.

The previous prime is 56501099. The next prime is 56501101. The reversal of 56501100 is 110565.

56501100 is a `hidden beast` number, since 5 + 650 + 1 + 10 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56501099) and next prime (56501101).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (56501101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59832 + ... + 60768.

Almost surely, 2^56501100 is an apocalyptic number.

56501100 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 56501100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89967332).

56501100 is an abundant number, since it is smaller than the sum of its proper divisors (123433564).

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

56501100 is a wasteful number, since it uses less digits than its factorization.

56501100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 56501100 is about 7516.7213597419. The cubic root of 56501100 is about 383.7240041525.

Adding to 56501100 its reverse (110565), we get a palindrome (56611665).

The spelling of 56501100 in words is "fifty-six million, five hundred one thousand, one hundred".