56510560500 has 96 divisors (see below), whose sum is σ = 166188492288. Its totient is φ = 14920240000.

The previous prime is 56510560499. The next prime is 56510560501. The reversal of 56510560500 is 506501565.

It is an interprime number because it is at equal distance from previous prime (56510560499) and next prime (56510560501).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510560501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35004 + ... + 338003.

It is an arithmetic number, because the mean of its divisors is an integer number (1731130128).

Almost surely, 2^56510560500 is an apocalyptic number.

56510560500 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 56510560500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83094246144).

56510560500 is an abundant number, since it is smaller than the sum of its proper divisors (109677931788).

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

56510560500 is a wasteful number, since it uses less digits than its factorization.

56510560500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373130 (or 373118 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 56510560500 in words is "fifty-six billion, five hundred ten million, five hundred sixty thousand, five hundred".