53513245 has 4 divisors (see below), whose sum is σ = 64215900. Its totient is φ = 42810592.

The previous prime is 53513237. The next prime is 53513261. The reversal of 53513245 is 54231535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54231535 = 5 ⋅10846307.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 25613721 = 5282^2 + 5061^2 .

It is a cyclic number.

It is not a de Polignac number, because 53513245 - 2³ = 53513237 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5351320 + ... + 5351329.

It is an arithmetic number, because the mean of its divisors is an integer number (16053975).

Almost surely, 2^53513245 is an apocalyptic number.

It is an amenable number.

53513245 is a deficient number, since it is larger than the sum of its proper divisors (10702655).

53513245 is a wasteful number, since it uses less digits than its factorization.

53513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702654.

The product of its digits is 9000, while the sum is 28.

The square root of 53513245 is about 7315.2747726931. The cubic root of 53513245 is about 376.8371949112.

The spelling of 53513245 in words is "fifty-three million, five hundred thirteen thousand, two hundred forty-five".