56061500 has 48 divisors (see below), whose sum is σ = 133582176. Its totient is φ = 20384000.

The previous prime is 56061497. The next prime is 56061517. The reversal of 56061500 is 516065.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (2782962).

Almost surely, 2^56061500 is an apocalyptic number.

56061500 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 56061500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66791088).

56061500 is an abundant number, since it is smaller than the sum of its proper divisors (77520676).

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

56061500 is a wasteful number, since it uses less digits than its factorization.

56061500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223 (or 10211 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56061500 is about 7487.4227875819. The cubic root of 56061500 is about 382.7262392062.

Adding to 56061500 its reverse (516065), we get a palindrome (56577565).

The spelling of 56061500 in words is "fifty-six million, sixty-one thousand, five hundred".