93455681 has 12 divisors (see below), whose sum is σ = 108768996. Its totient is φ = 79960320.

The previous prime is 93455653. The next prime is 93455701. The reversal of 93455681 is 18655439.

It can be written as a sum of positive squares in 2 ways, for example, as 86192656 + 7263025 = 9284^2 + 2695^2 .

It is not a de Polignac number, because 93455681 - 2¹⁰ = 93454657 is a prime.

It is a super-2 number, since 2×93455681² = 17467928622347522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93455651) 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, 20660 + ... + 24773.

It is an arithmetic number, because the mean of its divisors is an integer number (9064083).

Almost surely, 2^93455681 is an apocalyptic number.

It is an amenable number.

93455681 is a deficient number, since it is larger than the sum of its proper divisors (15313315).

93455681 is a wasteful number, since it uses less digits than its factorization.

93455681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45472 (or 45461 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 93455681 is about 9667.2478503450. The cubic root of 93455681 is about 453.8042604227.

The spelling of 93455681 in words is "ninety-three million, four hundred fifty-five thousand, six hundred eighty-one".