57493766 has 8 divisors (see below), whose sum is σ = 94080744. Its totient is φ = 26133520.

The previous prime is 57493763. The next prime is 57493769. The reversal of 57493766 is 66739475.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57493763) and next prime (57493769).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57493766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57493763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306655 + ... + 1306698.

It is an arithmetic number, because the mean of its divisors is an integer number (11760093).

Almost surely, 2^57493766 is an apocalyptic number.

57493766 is a deficient number, since it is larger than the sum of its proper divisors (36586978).

57493766 is a wasteful number, since it uses less digits than its factorization.

57493766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613366.

The product of its digits is 952560, while the sum is 47.

The square root of 57493766 is about 7582.4643751224. The cubic root of 57493766 is about 385.9581822668.

The spelling of 57493766 in words is "fifty-seven million, four hundred ninety-three thousand, seven hundred sixty-six".