53182445 has 4 divisors (see below), whose sum is σ = 63818940. Its totient is φ = 42545952.

The previous prime is 53182439. The next prime is 53182447. The reversal of 53182445 is 54428135.

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 11437924 + 41744521 = 3382^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 53182445 - 2⁸ = 53182189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53182447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318240 + ... + 5318249.

It is an arithmetic number, because the mean of its divisors is an integer number (15954735).

Almost surely, 2^53182445 is an apocalyptic number.

It is an amenable number.

53182445 is a deficient number, since it is larger than the sum of its proper divisors (10636495).

53182445 is a wasteful number, since it uses less digits than its factorization.

53182445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636494.

The product of its digits is 19200, while the sum is 32.

The square root of 53182445 is about 7292.6294983360. The cubic root of 53182445 is about 376.0590978671.

The spelling of 53182445 in words is "fifty-three million, one hundred eighty-two thousand, four hundred forty-five".