53001173 has 4 divisors (see below), whose sum is σ = 53054508. Its totient is φ = 52947840.

The previous prime is 53001133. The next prime is 53001187. The reversal of 53001173 is 37110035.

It is a happy number.

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 4656964 + 48344209 = 2158^2 + 6953^2 .

It is a cyclic number.

It is not a de Polignac number, because 53001173 - 2²² = 48806869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53001133) 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, 25148 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (13263627).

Almost surely, 2^53001173 is an apocalyptic number.

It is an amenable number.

53001173 is a deficient number, since it is larger than the sum of its proper divisors (53335).

53001173 is a wasteful number, since it uses less digits than its factorization.

53001173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53334.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 53001173 is about 7280.1904508055. The cubic root of 53001173 is about 375.6313465483.

The spelling of 53001173 in words is "fifty-three million, one thousand, one hundred seventy-three".