5564021685 has 16 divisors (see below), whose sum is σ = 8924210880. Its totient is φ = 2960219520.

The previous prime is 5564021629. The next prime is 5564021699. The reversal of 5564021685 is 5861204655.

It is not a de Polignac number, because 5564021685 - 2⁹ = 5564021173 is a prime.

It is a super-2 number, since 2×5564021685² = 61916674622300478450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447331 + ... + 459600.

It is an arithmetic number, because the mean of its divisors is an integer number (557763180).

Almost surely, 2^5564021685 is an apocalyptic number.

It is an amenable number.

5564021685 is a deficient number, since it is larger than the sum of its proper divisors (3360189195).

5564021685 is a wasteful number, since it uses less digits than its factorization.

5564021685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907348.

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 5564021685 is about 74592.3701527174. The cubic root of 5564021685 is about 1771.9968191925.

The spelling of 5564021685 in words is "five billion, five hundred sixty-four million, twenty-one thousand, six hundred eighty-five".