53085319 has 4 divisors (see below), whose sum is σ = 60668944. Its totient is φ = 45501696.

The previous prime is 53085313. The next prime is 53085353. The reversal of 53085319 is 91358035.

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 53085319 - 2⁹ = 53084807 is a prime.

It is a super-4 number, since 4×53085319⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53085313) 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, 3791802 + ... + 3791815.

It is an arithmetic number, because the mean of its divisors is an integer number (15167236).

Almost surely, 2^53085319 is an apocalyptic number.

53085319 is a deficient number, since it is larger than the sum of its proper divisors (7583625).

53085319 is an equidigital number, since it uses as much as digits as its factorization.

53085319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583624.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 53085319 is about 7285.9672659160. The cubic root of 53085319 is about 375.8300287100.

It can be divided in two parts, 530 and 85319, that added together give a square (85849 = 293²).

The spelling of 53085319 in words is "fifty-three million, eighty-five thousand, three hundred nineteen".