56477573 has 4 divisors (see below), whose sum is σ = 57434880. Its totient is φ = 55520268.

The previous prime is 56477527. The next prime is 56477591. The reversal of 56477573 is 37577465.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37577465 = 5 ⋅7515493.

It is a cyclic number.

It is not a de Polignac number, because 56477573 - 2¹⁰ = 56476549 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 (56477173) 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, 478565 + ... + 478682.

It is an arithmetic number, because the mean of its divisors is an integer number (14358720).

Almost surely, 2^56477573 is an apocalyptic number.

It is an amenable number.

56477573 is a deficient number, since it is larger than the sum of its proper divisors (957307).

56477573 is an equidigital number, since it uses as much as digits as its factorization.

56477573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957306.

The product of its digits is 617400, while the sum is 44.

The square root of 56477573 is about 7515.1562192678. The cubic root of 56477573 is about 383.6707359978.

The spelling of 56477573 in words is "fifty-six million, four hundred seventy-seven thousand, five hundred seventy-three".