56687610 has 80 divisors (see below), whose sum is σ = 158917536. Its totient is φ = 12940704.

The previous prime is 56687599. The next prime is 56687611. The reversal of 56687610 is 1678665.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56687611) 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 39 ways as a sum of consecutive naturals, for example, 71637 + ... + 72423.

Almost surely, 2^56687610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56687610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79458768).

56687610 is an abundant number, since it is smaller than the sum of its proper divisors (102229926).

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

56687610 is an equidigital number, since it uses as much as digits as its factorization.

56687610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 56687610 is about 7529.1174781644. The cubic root of 56687610 is about 384.1457644315.

The spelling of 56687610 in words is "fifty-six million, six hundred eighty-seven thousand, six hundred ten".