57343687 has 2 divisors, whose sum is σ = 57343688. Its totient is φ = 57343686.

The previous prime is 57343667. The next prime is 57343697. The reversal of 57343687 is 78634375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57343687 - 2²³ = 48955079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57343607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28671843 + 28671844.

It is an arithmetic number, because the mean of its divisors is an integer number (28671844).

Almost surely, 2^57343687 is an apocalyptic number.

57343687 is a deficient number, since it is larger than the sum of its proper divisors (1).

57343687 is an equidigital number, since it uses as much as digits as its factorization.

57343687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 57343687 is about 7572.5614556767. The cubic root of 57343687 is about 385.6220606535.

It can be divided in two parts, 5734368 and 7, that added together give a palindrome (5734375).

The spelling of 57343687 in words is "fifty-seven million, three hundred forty-three thousand, six hundred eighty-seven".