57363769 has 6 divisors (see below), whose sum is σ = 59410910. Its totient is φ = 55384896.

The previous prime is 57363751. The next prime is 57363773. The reversal of 57363769 is 96736375.

It can be written as a sum of positive squares in 3 ways, for example, as 8880400 + 48483369 = 2980^2 + 6963^2 .

It is a de Polignac number, because none of the positive numbers 2^k-57363769 is a prime.

It is a super-2 number, since 2×57363769² = 6581203987770722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57363749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33264 + ... + 34945.

Almost surely, 2^57363769 is an apocalyptic number.

It is an amenable number.

57363769 is a deficient number, since it is larger than the sum of its proper divisors (2047141).

57363769 is an equidigital number, since it uses as much as digits as its factorization.

57363769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68267 (or 68238 counting only the distinct ones).

The product of its digits is 714420, while the sum is 46.

The square root of 57363769 is about 7573.8873110180. The cubic root of 57363769 is about 385.6670708880.

The spelling of 57363769 in words is "fifty-seven million, three hundred sixty-three thousand, seven hundred sixty-nine".