57018071 has 4 divisors (see below), whose sum is σ = 62201544. Its totient is φ = 51834600.

The previous prime is 57018067. The next prime is 57018109. The reversal of 57018071 is 17081075.

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 57018071 - 2² = 57018067 is a prime.

It is a super-2 number, since 2×57018071² = 6502120841122082, 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 (57018371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591720 + ... + 2591741.

It is an arithmetic number, because the mean of its divisors is an integer number (15550386).

Almost surely, 2^57018071 is an apocalyptic number.

57018071 is a deficient number, since it is larger than the sum of its proper divisors (5183473).

57018071 is a wasteful number, since it uses less digits than its factorization.

57018071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183472.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 57018071 is about 7551.0311216416. The cubic root of 57018071 is about 384.8907791603.

The spelling of 57018071 in words is "fifty-seven million, eighteen thousand, seventy-one".