5644531250 has 66 divisors (see below), whose sum is σ = 11242675551. Its totient is φ = 2125000000.

The previous prime is 5644531247. The next prime is 5644531273. The reversal of 5644531250 is 521354465.

It can be written as a sum of positive squares in 17 ways, for example, as 743271169 + 4901260081 = 27263^2 + 70009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53125.

It is a super-3 number, since 3×5644531250³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5644531250.

It is an unprimeable number.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 332031242 + ... + 332031258.

Almost surely, 2^5644531250 is an apocalyptic number.

5644531250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5644531250 is a deficient number, since it is larger than the sum of its proper divisors (5598144301).

5644531250 is an frugal number, since it uses more digits than its factorization.

5644531250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5644531250 is about 75130.0955010707. The cubic root of 5644531250 is about 1780.5026617663.

The spelling of 5644531250 in words is "five billion, six hundred forty-four million, five hundred thirty-one thousand, two hundred fifty".