57994687 has 2 divisors, whose sum is σ = 57994688. Its totient is φ = 57994686.

The previous prime is 57994681. The next prime is 57994691. The reversal of 57994687 is 78649975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57994687 - 2³ = 57994679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57994681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28997343 + 28997344.

It is an arithmetic number, because the mean of its divisors is an integer number (28997344).

Almost surely, 2^57994687 is an apocalyptic number.

57994687 is a deficient number, since it is larger than the sum of its proper divisors (1).

57994687 is an equidigital number, since it uses as much as digits as its factorization.

57994687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The square root of 57994687 is about 7615.4242823365. The cubic root of 57994687 is about 387.0758441803.

It can be divided in two parts, 579 and 94687, that added together give a triangular number (95266 = T₄₃₆).

The spelling of 57994687 in words is "fifty-seven million, nine hundred ninety-four thousand, six hundred eighty-seven".