56266650 has 144 divisors (see below), whose sum is σ = 171426528. Its totient is φ = 13608000.

The previous prime is 56266649. The next prime is 56266663. The reversal of 56266650 is 5666265.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133440 + ... + 133860.

It is an arithmetic number, because the mean of its divisors is an integer number (1190462).

Almost surely, 2^56266650 is an apocalyptic number.

56266650 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 56266650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85713264).

56266650 is an abundant number, since it is smaller than the sum of its proper divisors (115159878).

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

56266650 is a wasteful number, since it uses less digits than its factorization.

56266650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 56266650 is about 7501.1099178722. The cubic root of 56266650 is about 383.1925170660.

The spelling of 56266650 in words is "fifty-six million, two hundred sixty-six thousand, six hundred fifty".