5535602581 has 8 divisors (see below), whose sum is σ = 5642612640. Its totient is φ = 5429552592.

The previous prime is 5535602561. The next prime is 5535602591. The reversal of 5535602581 is 1852065355.

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 5535602581 - 2²¹ = 5533505429 is a prime.

It is a super-2 number, since 2×5535602581² = 61285791869547723122, which contains 22 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 (5535602531) 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, 228370 + ... + 251443.

It is an arithmetic number, because the mean of its divisors is an integer number (705326580).

Almost surely, 2^5535602581 is an apocalyptic number.

It is an amenable number.

5535602581 is a deficient number, since it is larger than the sum of its proper divisors (107010059).

5535602581 is a wasteful number, since it uses less digits than its factorization.

5535602581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480035.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 5535602581 is about 74401.6302307953. The cubic root of 5535602581 is about 1768.9747518867.

The spelling of 5535602581 in words is "five billion, five hundred thirty-five million, six hundred two thousand, five hundred eighty-one".