56445253 has 4 divisors (see below), whose sum is σ = 59765580. Its totient is φ = 53124928.

The previous prime is 56445251. The next prime is 56445299. The reversal of 56445253 is 35254465.

56445253 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.

It can be written as a sum of positive squares in 2 ways, for example, as 52751169 + 3694084 = 7263^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 56445253 - 2¹ = 56445251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56445251) 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, 1660138 + ... + 1660171.

It is an arithmetic number, because the mean of its divisors is an integer number (14941395).

Almost surely, 2^56445253 is an apocalyptic number.

It is an amenable number.

56445253 is a deficient number, since it is larger than the sum of its proper divisors (3320327).

56445253 is a wasteful number, since it uses less digits than its factorization.

56445253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320326.

The product of its digits is 72000, while the sum is 34.

The square root of 56445253 is about 7513.0055903080. The cubic root of 56445253 is about 383.5975352346.

The spelling of 56445253 in words is "fifty-six million, four hundred forty-five thousand, two hundred fifty-three".