5645132556 has 24 divisors (see below), whose sum is σ = 15053687040. Its totient is φ = 1612894992.

The previous prime is 5645132543. The next prime is 5645132629. The reversal of 5645132556 is 6552315465.

It is a super-2 number, since 2×5645132556² = 63735043149622186272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 33601896 + ... + 33602063.

It is an arithmetic number, because the mean of its divisors is an integer number (627236960).

Almost surely, 2^5645132556 is an apocalyptic number.

It is an amenable number.

5645132556 is an abundant number, since it is smaller than the sum of its proper divisors (9408554484).

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

5645132556 is a wasteful number, since it uses less digits than its factorization.

5645132556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67203973 (or 67203971 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 5645132556 is about 75134.0971596784. The cubic root of 5645132556 is about 1780.5658845490.

The spelling of 5645132556 in words is "five billion, six hundred forty-five million, one hundred thirty-two thousand, five hundred fifty-six".