56430273 has 4 divisors (see below), whose sum is σ = 75240368. Its totient is φ = 37620180.

The previous prime is 56430263. The next prime is 56430277. The reversal of 56430273 is 37203465.

56430273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-56430273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56430273.

It is not an unprimeable number, because it can be changed into a prime (56430277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9405043 + ... + 9405048.

It is an arithmetic number, because the mean of its divisors is an integer number (18810092).

Almost surely, 2^56430273 is an apocalyptic number.

It is an amenable number.

56430273 is a deficient number, since it is larger than the sum of its proper divisors (18810095).

56430273 is a wasteful number, since it uses less digits than its factorization.

56430273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810094.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 56430273 is about 7512.0085862571. The cubic root of 56430273 is about 383.5635979285.

The spelling of 56430273 in words is "fifty-six million, four hundred thirty thousand, two hundred seventy-three".