53913245 has 4 divisors (see below), whose sum is σ = 64695900. Its totient is φ = 43130592.

The previous prime is 53913229. The next prime is 53913257. The reversal of 53913245 is 54231935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54231935 = 5 ⋅10846387.

It can be written as a sum of positive squares in 2 ways, for example, as 20052484 + 33860761 = 4478^2 + 5819^2 .

It is a cyclic number.

It is not a de Polignac number, because 53913245 - 2⁴ = 53913229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391320 + ... + 5391329.

It is an arithmetic number, because the mean of its divisors is an integer number (16173975).

Almost surely, 2^53913245 is an apocalyptic number.

It is an amenable number.

53913245 is a deficient number, since it is larger than the sum of its proper divisors (10782655).

53913245 is a wasteful number, since it uses less digits than its factorization.

53913245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782654.

The product of its digits is 16200, while the sum is 32.

The square root of 53913245 is about 7342.5639254963. The cubic root of 53913245 is about 377.7737908236.

The spelling of 53913245 in words is "fifty-three million, nine hundred thirteen thousand, two hundred forty-five".