56783536 has 40 divisors (see below), whose sum is σ = 117206784. Its totient is φ = 26557440.

The previous prime is 56783491. The next prime is 56783539. The reversal of 56783536 is 63538765.

It is a junction number, because it is equal to n+sod(n) for n = 56783492 and 56783501.

It is not an unprimeable number, because it can be changed into a prime (56783539) 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, 51406 + ... + 52498.

Almost surely, 2^56783536 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 56783536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58603392).

56783536 is an abundant number, since it is smaller than the sum of its proper divisors (60423248).

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

56783536 is a wasteful number, since it uses less digits than its factorization.

56783536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 56783536 is about 7535.4851204153. The cubic root of 56783536 is about 384.3623243975.

The spelling of 56783536 in words is "fifty-six million, seven hundred eighty-three thousand, five hundred thirty-six".