56049808 has 40 divisors (see below), whose sum is σ = 113441400. Its totient is φ = 26793984.

The previous prime is 56049787. The next prime is 56049809. The reversal of 56049808 is 80894065.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 55830784 = 468^2 + 7472^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56049809) 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, 51898 + ... + 52966.

It is an arithmetic number, because the mean of its divisors is an integer number (2836035).

Almost surely, 2^56049808 is an apocalyptic number.

56049808 is a gapful number since it is divisible by the number (58) 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 56049808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56720700).

56049808 is an abundant number, since it is smaller than the sum of its proper divisors (57391592).

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

56049808 is a wasteful number, since it uses less digits than its factorization.

56049808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 56049808 is about 7486.6419708705. The cubic root of 56049808 is about 382.6996306524.

The spelling of 56049808 in words is "fifty-six million, forty-nine thousand, eight hundred eight".