57380663 has 4 divisors (see below), whose sum is σ = 57395928. Its totient is φ = 57365400.

The previous prime is 57380657. The next prime is 57380671. The reversal of 57380663 is 36608375.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57380663 - 2¹⁶ = 57315127 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 (57380633) 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, 2420 + ... + 10982.

It is an arithmetic number, because the mean of its divisors is an integer number (14348982).

Almost surely, 2^57380663 is an apocalyptic number.

57380663 is a deficient number, since it is larger than the sum of its proper divisors (15265).

57380663 is an equidigital number, since it uses as much as digits as its factorization.

57380663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 57380663 is about 7575.0025082504. The cubic root of 57380663 is about 385.7049276520.

Subtracting from 57380663 its sum of digits (38), we obtain a square (57380625 = 7575²).

The spelling of 57380663 in words is "fifty-seven million, three hundred eighty thousand, six hundred sixty-three".