53020245 has 8 divisors (see below), whose sum is σ = 84832416. Its totient is φ = 28277456.

The previous prime is 53020217. The next prime is 53020271. The reversal of 53020245 is 54202035.

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 53020245 - 2¹⁵ = 52987477 is a prime.

It is a super-2 number, since 2×53020245² = 5622292759720050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1767327 + ... + 1767356.

It is an arithmetic number, because the mean of its divisors is an integer number (10604052).

Almost surely, 2^53020245 is an apocalyptic number.

It is an amenable number.

53020245 is a deficient number, since it is larger than the sum of its proper divisors (31812171).

53020245 is a wasteful number, since it uses less digits than its factorization.

53020245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534691.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53020245 is about 7281.5001888347. The cubic root of 53020245 is about 375.6763970098.

The spelling of 53020245 in words is "fifty-three million, twenty thousand, two hundred forty-five".