57047453 has 2 divisors, whose sum is σ = 57047454. Its totient is φ = 57047452.

The previous prime is 57047449. The next prime is 57047483. The reversal of 57047453 is 35474075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 15031129 = 6482^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 57047453 - 2² = 57047449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57047483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28523726 + 28523727.

It is an arithmetic number, because the mean of its divisors is an integer number (28523727).

Almost surely, 2^57047453 is an apocalyptic number.

It is an amenable number.

57047453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57047453 is an equidigital number, since it uses as much as digits as its factorization.

57047453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 57047453 is about 7552.9764331686. The cubic root of 57047453 is about 384.9568805366.

The spelling of 57047453 in words is "fifty-seven million, forty-seven thousand, four hundred fifty-three".