56997453 has 4 divisors (see below), whose sum is σ = 75996608. Its totient is φ = 37998300.

The previous prime is 56997389. The next prime is 56997461. The reversal of 56997453 is 35479965.

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 not a de Polignac number, because 56997453 - 2⁶ = 56997389 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 (56997053) 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, 9499573 + ... + 9499578.

It is an arithmetic number, because the mean of its divisors is an integer number (18999152).

Almost surely, 2^56997453 is an apocalyptic number.

It is an amenable number.

56997453 is a deficient number, since it is larger than the sum of its proper divisors (18999155).

56997453 is a wasteful number, since it uses less digits than its factorization.

56997453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18999154.

The product of its digits is 1020600, while the sum is 48.

The square root of 56997453 is about 7549.6657541907. The cubic root of 56997453 is about 384.8443808011.

The spelling of 56997453 in words is "fifty-six million, nine hundred ninety-seven thousand, four hundred fifty-three".