5772544021 has 8 divisors (see below), whose sum is σ = 6113424024. Its totient is φ = 5431810560.

The previous prime is 5772544003. The next prime is 5772544031. The reversal of 5772544021 is 1204452775.

It can be written as a sum of positive squares in 4 ways, for example, as 1041030225 + 4731513796 = 32265^2 + 68786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5772544021 - 2²³ = 5764155413 is a prime.

It is a super-3 number, since 3×5772544021³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5772544031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50401 + ... + 118681.

It is an arithmetic number, because the mean of its divisors is an integer number (764178003).

Almost surely, 2^5772544021 is an apocalyptic number.

It is an amenable number.

5772544021 is a deficient number, since it is larger than the sum of its proper divisors (340880003).

5772544021 is a wasteful number, since it uses less digits than its factorization.

5772544021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73271.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 5772544021 is about 75977.2598939972. The cubic root of 5772544021 is about 1793.8622244719.

Adding to 5772544021 its reverse (1204452775), we get a palindrome (6976996796).

The spelling of 5772544021 in words is "five billion, seven hundred seventy-two million, five hundred forty-four thousand, twenty-one".