56493553 has 4 divisors (see below), whose sum is σ = 56525680. Its totient is φ = 56461428.

The previous prime is 56493523. The next prime is 56493557. The reversal of 56493553 is 35539465.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-56493553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56493557) 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, 13263 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (14131420).

Almost surely, 2^56493553 is an apocalyptic number.

It is an amenable number.

56493553 is a deficient number, since it is larger than the sum of its proper divisors (32127).

56493553 is a wasteful number, since it uses less digits than its factorization.

56493553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32126.

The product of its digits is 243000, while the sum is 40.

The square root of 56493553 is about 7516.2193288914. The cubic root of 56493553 is about 383.7069183847.

The spelling of 56493553 in words is "fifty-six million, four hundred ninety-three thousand, five hundred fifty-three".