56530733 has 4 divisors (see below), whose sum is σ = 64606560. Its totient is φ = 48454908.

The previous prime is 56530679. The next prime is 56530751. The reversal of 56530733 is 33703565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56530733 - 2¹⁶ = 56465197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56530733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56530333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4037903 + ... + 4037916.

It is an arithmetic number, because the mean of its divisors is an integer number (16151640).

Almost surely, 2^56530733 is an apocalyptic number.

It is an amenable number.

56530733 is a deficient number, since it is larger than the sum of its proper divisors (8075827).

56530733 is an equidigital number, since it uses as much as digits as its factorization.

56530733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075826.

The product of its (nonzero) digits is 28350, while the sum is 32.

The square root of 56530733 is about 7518.6922400109. The cubic root of 56530733 is about 383.7910760390.

The spelling of 56530733 in words is "fifty-six million, five hundred thirty thousand, seven hundred thirty-three".