53875273 has 4 divisors (see below), whose sum is σ = 53993620. Its totient is φ = 53756928.

The previous prime is 53875253. The next prime is 53875277. The reversal of 53875273 is 37257835.

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 31719424 + 22155849 = 5632^2 + 4707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53875273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53875277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58488 + ... + 59401.

It is an arithmetic number, because the mean of its divisors is an integer number (13498405).

Almost surely, 2^53875273 is an apocalyptic number.

It is an amenable number.

53875273 is a deficient number, since it is larger than the sum of its proper divisors (118347).

53875273 is a wasteful number, since it uses less digits than its factorization.

53875273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118346.

The product of its digits is 176400, while the sum is 40.

The square root of 53875273 is about 7339.9777247618. The cubic root of 53875273 is about 377.6850791940.

The spelling of 53875273 in words is "fifty-three million, eight hundred seventy-five thousand, two hundred seventy-three".