53223319 has 4 divisors (see below), whose sum is σ = 53295696. Its totient is φ = 53150944.

The previous prime is 53223307. The next prime is 53223329. The reversal of 53223319 is 91332235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91332235 = 5 ⋅18266447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53223319 is a prime.

It is a super-2 number, since 2×53223319² = 5665443370751522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223329) 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, 35074 + ... + 36559.

It is an arithmetic number, because the mean of its divisors is an integer number (13323924).

Almost surely, 2^53223319 is an apocalyptic number.

53223319 is a deficient number, since it is larger than the sum of its proper divisors (72377).

53223319 is an equidigital number, since it uses as much as digits as its factorization.

53223319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72376.

The product of its digits is 4860, while the sum is 28.

The square root of 53223319 is about 7295.4313786095. The cubic root of 53223319 is about 376.1554147588.

The spelling of 53223319 in words is "fifty-three million, two hundred twenty-three thousand, three hundred nineteen".