56545273 has 16 divisors (see below), whose sum is σ = 63100800. Its totient is φ = 50440320.

The previous prime is 56545267. The next prime is 56545283. The reversal of 56545273 is 37254565.

It is a cyclic number.

It is not a de Polignac number, because 56545273 - 2¹³ = 56537081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56545283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21340 + ... + 23842.

It is an arithmetic number, because the mean of its divisors is an integer number (3943800).

Almost surely, 2^56545273 is an apocalyptic number.

It is an amenable number.

56545273 is a deficient number, since it is larger than the sum of its proper divisors (6555527).

56545273 is a wasteful number, since it uses less digits than its factorization.

56545273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592.

The product of its digits is 126000, while the sum is 37.

The square root of 56545273 is about 7519.6591013157. The cubic root of 56545273 is about 383.8239775752.

The spelling of 56545273 in words is "fifty-six million, five hundred forty-five thousand, two hundred seventy-three".