57433613 has 2 divisors, whose sum is σ = 57433614. Its totient is φ = 57433612.

The previous prime is 57433573. The next prime is 57433619. The reversal of 57433613 is 31633475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57123364 + 310249 = 7558^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57433613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57433613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57433619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716806 + 28716807.

It is an arithmetic number, because the mean of its divisors is an integer number (28716807).

Almost surely, 2^57433613 is an apocalyptic number.

It is an amenable number.

57433613 is a deficient number, since it is larger than the sum of its proper divisors (1).

57433613 is an equidigital number, since it uses as much as digits as its factorization.

57433613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 57433613 is about 7578.4967506756. The cubic root of 57433613 is about 385.8235320507.

The spelling of 57433613 in words is "fifty-seven million, four hundred thirty-three thousand, six hundred thirteen".