56673536 has 36 divisors (see below), whose sum is σ = 115287732. Its totient is φ = 27795456.

The previous prime is 56673503. The next prime is 56673557. The reversal of 56673536 is 63537665.

It can be written as a sum of positive squares in 2 ways, for example, as 47334400 + 9339136 = 6880^2 + 3056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56673493 and 56673502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11480 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (3202437).

Almost surely, 2^56673536 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 56673536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57643866).

56673536 is an abundant number, since it is smaller than the sum of its proper divisors (58614196).

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

56673536 is an equidigital number, since it uses as much as digits as its factorization.

56673536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246 (or 4232 counting only the distinct ones).

The product of its digits is 340200, while the sum is 41.

The square root of 56673536 is about 7528.1827820531. The cubic root of 56673536 is about 384.1139707999.

The spelling of 56673536 in words is "fifty-six million, six hundred seventy-three thousand, five hundred thirty-six".