57403453 has 2 divisors, whose sum is σ = 57403454. Its totient is φ = 57403452.

The previous prime is 57403417. The next prime is 57403457. The reversal of 57403453 is 35430475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 20958084 = 6037^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 57403453 - 2⁹ = 57402941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57403457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28701726 + 28701727.

It is an arithmetic number, because the mean of its divisors is an integer number (28701727).

Almost surely, 2^57403453 is an apocalyptic number.

It is an amenable number.

57403453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57403453 is an equidigital number, since it uses as much as digits as its factorization.

57403453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 57403453 is about 7576.5066488455. The cubic root of 57403453 is about 385.7559846420.

The spelling of 57403453 in words is "fifty-seven million, four hundred three thousand, four hundred fifty-three".