53523319 has 4 divisors (see below), whose sum is σ = 53645680. Its totient is φ = 53400960.

The previous prime is 53523317. The next prime is 53523359. The reversal of 53523319 is 91332535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53523319 - 2¹ = 53523317 is a prime.

It is a super-2 number, since 2×53523319² = 5729491353551522, 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 (53523317) 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, 60522 + ... + 61399.

It is an arithmetic number, because the mean of its divisors is an integer number (13411420).

Almost surely, 2^53523319 is an apocalyptic number.

53523319 is a deficient number, since it is larger than the sum of its proper divisors (122361).

53523319 is a wasteful number, since it uses less digits than its factorization.

53523319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122360.

The product of its digits is 12150, while the sum is 31.

The square root of 53523319 is about 7315.9632995252. The cubic root of 53523319 is about 376.8608402704.

The spelling of 53523319 in words is "fifty-three million, five hundred twenty-three thousand, three hundred nineteen".