56453663 has 4 divisors (see below), whose sum is σ = 64518480. Its totient is φ = 48388848.

The previous prime is 56453629. The next prime is 56453669. The reversal of 56453663 is 36635465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36635465 = 5 ⋅7327093.

It is a cyclic number.

It is not a de Polignac number, because 56453663 - 2⁸ = 56453407 is a prime.

It is a super-2 number, since 2×56453663² = 6374032132235138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56453669) 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, 4032398 + ... + 4032411.

It is an arithmetic number, because the mean of its divisors is an integer number (16129620).

Almost surely, 2^56453663 is an apocalyptic number.

56453663 is a deficient number, since it is larger than the sum of its proper divisors (8064817).

56453663 is an equidigital number, since it uses as much as digits as its factorization.

56453663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064816.

The product of its digits is 194400, while the sum is 38.

The square root of 56453663 is about 7513.5652655713. The cubic root of 56453663 is about 383.6165855231.

The spelling of 56453663 in words is "fifty-six million, four hundred fifty-three thousand, six hundred sixty-three".