56326620 has 96 divisors (see below), whose sum is σ = 184697856. Its totient is φ = 12556800.

The previous prime is 56326561. The next prime is 56326631. The reversal of 56326620 is 2662365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15585 + ... + 18855.

It is an arithmetic number, because the mean of its divisors is an integer number (1923936).

Almost surely, 2^56326620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56326620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92348928).

56326620 is an abundant number, since it is smaller than the sum of its proper divisors (128371236).

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

56326620 is a wasteful number, since it uses less digits than its factorization.

56326620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 56326620 is about 7505.1062617394. The cubic root of 56326620 is about 383.3286065370.

Adding to 56326620 its reverse (2662365), we get a palindrome (58988985).

The spelling of 56326620 in words is "fifty-six million, three hundred twenty-six thousand, six hundred twenty".