23553555 has 8 divisors (see below), whose sum is σ = 37685712. Its totient is φ = 12561888.

The previous prime is 23553553. The next prime is 23553581. The reversal of 23553555 is 55535532.

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

It is not a de Polignac number, because 23553555 - 2¹ = 23553553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23553553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785104 + ... + 785133.

It is an arithmetic number, because the mean of its divisors is an integer number (4710714).

Almost surely, 2^23553555 is an apocalyptic number.

23553555 is a deficient number, since it is larger than the sum of its proper divisors (14132157).

23553555 is a wasteful number, since it uses less digits than its factorization.

23553555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570245.

The product of its digits is 56250, while the sum is 33.

The square root of 23553555 is about 4853.2004903981. The cubic root of 23553555 is about 286.6501380110.

The spelling of 23553555 in words is "twenty-three million, five hundred fifty-three thousand, five hundred fifty-five".