56383553 has 4 divisors (see below), whose sum is σ = 56941908. Its totient is φ = 55825200.

The previous prime is 56383549. The next prime is 56383559. The reversal of 56383553 is 35538365.

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 25725184 + 30658369 = 5072^2 + 5537^2 .

It is a cyclic number.

It is not a de Polignac number, because 56383553 - 2² = 56383549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56383559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279026 + ... + 279227.

It is an arithmetic number, because the mean of its divisors is an integer number (14235477).

Almost surely, 2^56383553 is an apocalyptic number.

It is an amenable number.

56383553 is a deficient number, since it is larger than the sum of its proper divisors (558355).

56383553 is a wasteful number, since it uses less digits than its factorization.

56383553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558354.

The product of its digits is 162000, while the sum is 38.

The square root of 56383553 is about 7508.8982547375. The cubic root of 56383553 is about 383.4577148146.

The spelling of 56383553 in words is "fifty-six million, three hundred eighty-three thousand, five hundred fifty-three".