57112453 has 2 divisors, whose sum is σ = 57112454. Its totient is φ = 57112452.

The previous prime is 57112417. The next prime is 57112481. The reversal of 57112453 is 35421175.

It is a happy number.

It is an a-pointer prime, because the next prime (57112481) can be obtained adding 57112453 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 7579009 = 7038^2 + 2753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57112453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57112483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28556226 + 28556227.

It is an arithmetic number, because the mean of its divisors is an integer number (28556227).

Almost surely, 2^57112453 is an apocalyptic number.

It is an amenable number.

57112453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57112453 is an equidigital number, since it uses as much as digits as its factorization.

57112453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 57112453 is about 7557.2781475873. The cubic root of 57112453 is about 385.1030319625.

The spelling of 57112453 in words is "fifty-seven million, one hundred twelve thousand, four hundred fifty-three".