56169736 has 32 divisors (see below), whose sum is σ = 121567680. Its totient is φ = 23832000.

The previous prime is 56169731. The next prime is 56169779. The reversal of 56169736 is 63796165.

It is a junction number, because it is equal to n+sod(n) for n = 56169692 and 56169701.

It is not an unprimeable number, because it can be changed into a prime (56169731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (3798990).

Almost surely, 2^56169736 is an apocalyptic number.

56169736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56169736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60783840).

56169736 is an abundant number, since it is smaller than the sum of its proper divisors (65397944).

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

56169736 is a wasteful number, since it uses less digits than its factorization.

56169736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045 (or 10041 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 56169736 is about 7494.6471564711. The cubic root of 56169736 is about 382.9723863046.

The spelling of 56169736 in words is "fifty-six million, one hundred sixty-nine thousand, seven hundred thirty-six".