53189500319 has 4 divisors (see below), whose sum is σ = 53211133320. Its totient is φ = 53167867320.

The previous prime is 53189500253. The next prime is 53189500369. The reversal of 53189500319 is 91300598135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53189500319 is a prime.

It is a super-2 number, since 2×53189500319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53189500319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53189500369) 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, 10812812 + ... + 10817729.

It is an arithmetic number, because the mean of its divisors is an integer number (13302783330).

Almost surely, 2^53189500319 is an apocalyptic number.

53189500319 is a deficient number, since it is larger than the sum of its proper divisors (21633001).

53189500319 is a wasteful number, since it uses less digits than its factorization.

53189500319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21633000.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 53189500319 in words is "fifty-three billion, one hundred eighty-nine million, five hundred thousand, three hundred nineteen".