56389662 has 64 divisors (see below), whose sum is σ = 144038400. Its totient is φ = 16018560.

The previous prime is 56389657. The next prime is 56389667. The reversal of 56389662 is 26698365.

It is a happy number.

56389662 is a `hidden beast` number, since 5 + 638 + 9 + 6 + 6 + 2 = 666.

56389662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56389657) and next prime (56389667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56389667) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 90789 + ... + 91407.

It is an arithmetic number, because the mean of its divisors is an integer number (2250600).

Almost surely, 2^56389662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56389662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019200).

56389662 is an abundant number, since it is smaller than the sum of its proper divisors (87648738).

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

56389662 is a wasteful number, since it uses less digits than its factorization.

56389662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 872 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 56389662 is about 7509.3050277639. The cubic root of 56389662 is about 383.4715631709.

The spelling of 56389662 in words is "fifty-six million, three hundred eighty-nine thousand, six hundred sixty-two".