56866950 has 108 divisors (see below), whose sum is σ = 177795540. Its totient is φ = 12993120.

The previous prime is 56866949. The next prime is 56866961. The reversal of 56866950 is 5966865.

56866950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 56866896 and 56866905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 20761 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (1646255).

Almost surely, 2^56866950 is an apocalyptic number.

56866950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56866950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88897770).

56866950 is an abundant number, since it is smaller than the sum of its proper divisors (120928590).

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

56866950 is a wasteful number, since it uses less digits than its factorization.

56866950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 56866950 is about 7541.0178358097. The cubic root of 56866950 is about 384.5504394444.

The spelling of 56866950 in words is "fifty-six million, eight hundred sixty-six thousand, nine hundred fifty".