57435437 has 2 divisors, whose sum is σ = 57435438. Its totient is φ = 57435436.

The previous prime is 57435431. The next prime is 57435473. The reversal of 57435437 is 73453475.

Together with next prime (57435473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54967396 + 2468041 = 7414^2 + 1571^2 .

It is a cyclic number.

It is not a de Polignac number, because 57435437 - 2⁴ = 57435421 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57435437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57435431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28717718 + 28717719.

It is an arithmetic number, because the mean of its divisors is an integer number (28717719).

Almost surely, 2^57435437 is an apocalyptic number.

It is an amenable number.

57435437 is a deficient number, since it is larger than the sum of its proper divisors (1).

57435437 is an equidigital number, since it uses as much as digits as its factorization.

57435437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 38.

The square root of 57435437 is about 7578.6170902085. The cubic root of 57435437 is about 385.8276163876.

The spelling of 57435437 in words is "fifty-seven million, four hundred thirty-five thousand, four hundred thirty-seven".