5643101556 has 36 divisors (see below), whose sum is σ = 14268247812. Its totient is φ = 1880540544.

The previous prime is 5643101537. The next prime is 5643101557. The reversal of 5643101556 is 6551013465.

5643101556 is a `hidden beast` number, since 5 + 643 + 1 + 0 + 1 + 5 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1846077156 + 3797024400 = 42966^2 + 61620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×5643101556² = 63689190342659242272, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5643101556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643101557) 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, 134680 + ... + 171536.

It is an arithmetic number, because the mean of its divisors is an integer number (396340217).

Almost surely, 2^5643101556 is an apocalyptic number.

It is an amenable number.

5643101556 is an abundant number, since it is smaller than the sum of its proper divisors (8625146256).

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

5643101556 is a wasteful number, since it uses less digits than its factorization.

5643101556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41120 (or 41115 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 5643101556 is about 75120.5801095812. The cubic root of 5643101556 is about 1780.3523222128.

The spelling of 5643101556 in words is "five billion, six hundred forty-three million, one hundred one thousand, five hundred fifty-six".