56443553 has 8 divisors (see below), whose sum is σ = 59859072. Its totient is φ = 53038656.

The previous prime is 56443531. The next prime is 56443567. The reversal of 56443553 is 35534465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56443553 - 2⁶ = 56443489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56443573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10076 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (7482384).

Almost surely, 2^56443553 is an apocalyptic number.

It is an amenable number.

56443553 is a deficient number, since it is larger than the sum of its proper divisors (3415519).

56443553 is a wasteful number, since it uses less digits than its factorization.

56443553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

The product of its digits is 108000, while the sum is 35.

The square root of 56443553 is about 7512.8924523116. The cubic root of 56443553 is about 383.5936841735.

The spelling of 56443553 in words is "fifty-six million, four hundred forty-three thousand, five hundred fifty-three".