5223643856 has 40 divisors (see below), whose sum is σ = 11280170880. Its totient is φ = 2328804864.

The previous prime is 5223643849. The next prime is 5223643861. The reversal of 5223643856 is 6583463225.

It is a super-3 number, since 3×5223643856³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500216 + ... + 510551.

It is an arithmetic number, because the mean of its divisors is an integer number (282004272).

Almost surely, 2^5223643856 is an apocalyptic number.

It is an amenable number.

5223643856 is an abundant number, since it is smaller than the sum of its proper divisors (6056527024).

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

5223643856 is a wasteful number, since it uses less digits than its factorization.

5223643856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010811 (or 1010805 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 5223643856 is about 72274.7802210425. The cubic root of 5223643856 is about 1735.1000400200.

The spelling of 5223643856 in words is "five billion, two hundred twenty-three million, six hundred forty-three thousand, eight hundred fifty-six".