57353663 has 4 divisors (see below), whose sum is σ = 58903800. Its totient is φ = 55803528.

The previous prime is 57353657. The next prime is 57353683. The reversal of 57353663 is 36635375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57353663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57353623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775013 + ... + 775086.

It is an arithmetic number, because the mean of its divisors is an integer number (14725950).

Almost surely, 2^57353663 is an apocalyptic number.

57353663 is a deficient number, since it is larger than the sum of its proper divisors (1550137).

57353663 is a wasteful number, since it uses less digits than its factorization.

57353663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550136.

The product of its digits is 170100, while the sum is 38.

The square root of 57353663 is about 7573.2201209261. The cubic root of 57353663 is about 385.6444213981.

The spelling of 57353663 in words is "fifty-seven million, three hundred fifty-three thousand, six hundred sixty-three".