88666553 has 4 divisors (see below), whose sum is σ = 88720500. Its totient is φ = 88612608.

The previous prime is 88666549. The next prime is 88666573. The reversal of 88666553 is 35566688.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39287824 + 49378729 = 6268^2 + 7027^2 .

It is a cyclic number.

It is not a de Polignac number, because 88666553 - 2² = 88666549 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 88666498 and 88666507.

It is not an unprimeable number, because it can be changed into a prime (88666573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24428 + ... + 27821.

It is an arithmetic number, because the mean of its divisors is an integer number (22180125).

Almost surely, 2^88666553 is an apocalyptic number.

It is an amenable number.

88666553 is a deficient number, since it is larger than the sum of its proper divisors (53947).

88666553 is a wasteful number, since it uses less digits than its factorization.

88666553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53946.

The product of its digits is 1036800, while the sum is 47.

The square root of 88666553 is about 9416.2918922472. The cubic root of 88666553 is about 445.9162252915.

The spelling of 88666553 in words is "eighty-eight million, six hundred sixty-six thousand, five hundred fifty-three".