57073331 has 4 divisors (see below), whose sum is σ = 65226672. Its totient is φ = 48919992.

The previous prime is 57073273. The next prime is 57073333. The reversal of 57073331 is 13337075.

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

It is a cyclic number.

It is not a de Polignac number, because 57073331 - 2¹⁰ = 57072307 is a prime.

It is a super-2 number, since 2×57073331² = 6514730222871122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57073294 and 57073303.

It is not an unprimeable number, because it can be changed into a prime (57073333) 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, 4076660 + ... + 4076673.

It is an arithmetic number, because the mean of its divisors is an integer number (16306668).

Almost surely, 2^57073331 is an apocalyptic number.

57073331 is a deficient number, since it is larger than the sum of its proper divisors (8153341).

57073331 is an equidigital number, since it uses as much as digits as its factorization.

57073331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153340.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 57073331 is about 7554.6893384176. The cubic root of 57073331 is about 385.0150800862.

The spelling of 57073331 in words is "fifty-seven million, seventy-three thousand, three hundred thirty-one".