56535784 has 8 divisors (see below), whose sum is σ = 106004610. Its totient is φ = 28267888.

The previous prime is 56535781. The next prime is 56535803. The reversal of 56535784 is 48753565.

It can be written as a sum of positive squares in only one way, i.e., 53611684 + 2924100 = 7322^2 + 1710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 56535784.

It is not an unprimeable number, because it can be changed into a prime (56535781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533479 + ... + 3533494.

Almost surely, 2^56535784 is an apocalyptic number.

It is an amenable number.

56535784 is a deficient number, since it is larger than the sum of its proper divisors (49468826).

56535784 is a wasteful number, since it uses less digits than its factorization.

56535784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066979 (or 7066975 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The square root of 56535784 is about 7519.0281286879. The cubic root of 56535784 is about 383.8025062286.

The spelling of 56535784 in words is "fifty-six million, five hundred thirty-five thousand, seven hundred eighty-four".