53623793 has 4 divisors (see below), whose sum is σ = 53639280. Its totient is φ = 53608308.

The previous prime is 53623781. The next prime is 53623807. The reversal of 53623793 is 39732635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53623793 is a prime.

It is a super-2 number, since 2×53623793² = 5751022351413698, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53623733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (13409820).

Almost surely, 2^53623793 is an apocalyptic number.

It is an amenable number.

53623793 is a deficient number, since it is larger than the sum of its proper divisors (15487).

53623793 is a wasteful number, since it uses less digits than its factorization.

53623793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486.

The product of its digits is 102060, while the sum is 38.

The square root of 53623793 is about 7322.8268448735. The cubic root of 53623793 is about 377.0965073169.

The spelling of 53623793 in words is "fifty-three million, six hundred twenty-three thousand, seven hundred ninety-three".