5571864 has 48 divisors (see below), whose sum is σ = 15888600. Its totient is φ = 1759104.

The previous prime is 5571851. The next prime is 5571887. The reversal of 5571864 is 4681755.

5571864 is a `hidden beast` number, since 5 + 571 + 86 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669 + ... + 3404.

Almost surely, 2^5571864 is an apocalyptic number.

It is an amenable number.

5571864 is an abundant number, since it is smaller than the sum of its proper divisors (10316736).

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

5571864 is a wasteful number, since it uses less digits than its factorization.

5571864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104 (or 4097 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 5571864 is about 2360.4796122822. The cubic root of 5571864 is about 177.2828953106.

The spelling of 5571864 in words is "five million, five hundred seventy-one thousand, eight hundred sixty-four".