57122453 has 2 divisors, whose sum is σ = 57122454. Its totient is φ = 57122452.

The previous prime is 57122383. The next prime is 57122459. The reversal of 57122453 is 35422175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32341969 + 24780484 = 5687^2 + 4978^2 .

It is a cyclic number.

It is not a de Polignac number, because 57122453 - 2¹⁶ = 57056917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57122459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561226 + 28561227.

It is an arithmetic number, because the mean of its divisors is an integer number (28561227).

Almost surely, 2^57122453 is an apocalyptic number.

It is an amenable number.

57122453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57122453 is an equidigital number, since it uses as much as digits as its factorization.

57122453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 57122453 is about 7557.9397324932. The cubic root of 57122453 is about 385.1255069533.

It can be divided in two parts, 57122 and 453, that added together give a palindrome (57575).

The spelling of 57122453 in words is "fifty-seven million, one hundred twenty-two thousand, four hundred fifty-three".