57071466 has 24 divisors (see below), whose sum is σ = 128235744. Its totient is φ = 19023660.

The previous prime is 57071461. The next prime is 57071477. The reversal of 57071466 is 66417075.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57071466.

It is not an unprimeable number, because it can be changed into a prime (57071461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58230 + ... + 59201.

It is an arithmetic number, because the mean of its divisors is an integer number (5343156).

Almost surely, 2^57071466 is an apocalyptic number.

57071466 is an abundant number, since it is smaller than the sum of its proper divisors (71164278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57071466 is a wasteful number, since it uses less digits than its factorization.

57071466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117448 (or 117436 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57071466 is about 7554.5659041404. The cubic root of 57071466 is about 385.0108862948.

The spelling of 57071466 in words is "fifty-seven million, seventy-one thousand, four hundred sixty-six".