57071464 has 64 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 25977600.

The previous prime is 57071461. The next prime is 57071477. The reversal of 57071464 is 46417075.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 565014 + ... + 565114.

It is an arithmetic number, because the mean of its divisors is an integer number (1831410).

Almost surely, 2^57071464 is an apocalyptic number.

It is an amenable number.

57071464 is an abundant number, since it is smaller than the sum of its proper divisors (60138776).

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

57071464 is a wasteful number, since it uses less digits than its factorization.

57071464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 57071464 is about 7554.5657717701. The cubic root of 57071464 is about 385.0108817973.

The spelling of 57071464 in words is "fifty-seven million, seventy-one thousand, four hundred sixty-four".