57043307 has 8 divisors (see below), whose sum is σ = 58688112. Its totient is φ = 55404000.

The previous prime is 57043253. The next prime is 57043321. The reversal of 57043307 is 70334075.

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

It is a cyclic number.

It is not a de Polignac number, because 57043307 - 2¹² = 57039211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57043307.

It is not an unprimeable number, because it can be changed into a prime (57043367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29057 + ... + 30957.

It is an arithmetic number, because the mean of its divisors is an integer number (7336014).

Almost surely, 2^57043307 is an apocalyptic number.

57043307 is a deficient number, since it is larger than the sum of its proper divisors (1644805).

57043307 is a wasteful number, since it uses less digits than its factorization.

57043307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 57043307 is about 7552.7019668460. The cubic root of 57043307 is about 384.9475545585.

The spelling of 57043307 in words is "fifty-seven million, forty-three thousand, three hundred seven".