553172865 has 32 divisors (see below), whose sum is σ = 1012801536. Its totient is φ = 252557760.

The previous prime is 553172831. The next prime is 553172869. The reversal of 553172865 is 568271355.

553172865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553172865 - 2⁹ = 553172353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (553172869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92764 + ... + 98546.

It is an arithmetic number, because the mean of its divisors is an integer number (31650048).

Almost surely, 2^553172865 is an apocalyptic number.

It is an amenable number.

553172865 is a deficient number, since it is larger than the sum of its proper divisors (459628671).

553172865 is a wasteful number, since it uses less digits than its factorization.

553172865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709.

The product of its digits is 252000, while the sum is 42.

The square root of 553172865 is about 23519.6272291888. The cubic root of 553172865 is about 820.8937632395.

The spelling of 553172865 in words is "five hundred fifty-three million, one hundred seventy-two thousand, eight hundred sixty-five".