57006071 has 4 divisors (see below), whose sum is σ = 57559632. Its totient is φ = 56452512.

The previous prime is 57006067. The next prime is 57006073. The reversal of 57006071 is 17060075.

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 57006071 - 2² = 57006067 is a prime.

It is a super-3 number, since 3×57006071³ (a number of 24 digits) contains 333 as substring.

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 57006071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57006073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276626 + ... + 276831.

It is an arithmetic number, because the mean of its divisors is an integer number (14389908).

Almost surely, 2^57006071 is an apocalyptic number.

57006071 is a deficient number, since it is larger than the sum of its proper divisors (553561).

57006071 is a wasteful number, since it uses less digits than its factorization.

57006071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553560.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 57006071 is about 7550.2364863625. The cubic root of 57006071 is about 384.8637759469.

The spelling of 57006071 in words is "fifty-seven million, six thousand, seventy-one".