101604553 has 8 divisors (see below), whose sum is σ = 106572672. Its totient is φ = 96753456.

The previous prime is 101604521. The next prime is 101604599. The reversal of 101604553 is 355406101.

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 101604553 - 2⁵ = 101604521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101604653) 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, 27475 + ... + 30952.

It is an arithmetic number, because the mean of its divisors is an integer number (13321584).

Almost surely, 2^101604553 is an apocalyptic number.

It is an amenable number.

101604553 is a deficient number, since it is larger than the sum of its proper divisors (4968119).

101604553 is an equidigital number, since it uses as much as digits as its factorization.

101604553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58511.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 101604553 is about 10079.9083825202. The cubic root of 101604553 is about 466.6282809130.

The spelling of 101604553 in words is "one hundred one million, six hundred four thousand, five hundred fifty-three".