56328636 has 72 divisors (see below), whose sum is σ = 164675280. Its totient is φ = 14853888.

The previous prime is 56328619. The next prime is 56328637. The reversal of 56328636 is 63682365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 56328594 and 56328603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56328637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960 + ... + 11328.

Almost surely, 2^56328636 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 56328636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82337640).

56328636 is an abundant number, since it is smaller than the sum of its proper divisors (108346644).

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

56328636 is a wasteful number, since it uses less digits than its factorization.

56328636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403 (or 7394 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 56328636 is about 7505.2405690957. The cubic root of 56328636 is about 383.3331797521. Note that the first 3 decimals are identical.

The spelling of 56328636 in words is "fifty-six million, three hundred twenty-eight thousand, six hundred thirty-six".