56787000 has 128 divisors (see below), whose sum is σ = 185103360. Its totient is φ = 14467200.

The previous prime is 56786981. The next prime is 56787013. The reversal of 56787000 is 78765.

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, 68589 + ... + 69411.

It is an arithmetic number, because the mean of its divisors is an integer number (1446120).

Almost surely, 2^56787000 is an apocalyptic number.

56787000 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 56787000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92551680).

56787000 is an abundant number, since it is smaller than the sum of its proper divisors (128316360).

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

56787000 is a wasteful number, since it uses less digits than its factorization.

56787000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 56787000 is about 7535.7149627623. The cubic root of 56787000 is about 384.3701400668.

The spelling of 56787000 in words is "fifty-six million, seven hundred eighty-seven thousand".