56532530 has 32 divisors (see below), whose sum is σ = 107509248. Its totient is φ = 21369600.

The previous prime is 56532529. The next prime is 56532569. The reversal of 56532530 is 3523565.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56532493 and 56532502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11210 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (3359664).

Almost surely, 2^56532530 is an apocalyptic number.

56532530 is a deficient number, since it is larger than the sum of its proper divisors (50976718).

56532530 is a wasteful number, since it uses less digits than its factorization.

56532530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 56532530 is about 7518.8117412261. The cubic root of 56532530 is about 383.7951426485.

The spelling of 56532530 in words is "fifty-six million, five hundred thirty-two thousand, five hundred thirty".