53372188519 has 4 divisors (see below), whose sum is σ = 57477741496. Its totient is φ = 49266635544.

The previous prime is 53372188501. The next prime is 53372188523. The reversal of 53372188519 is 91588127335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91588127335 = 5 ⋅18317625467.

It is a cyclic number.

It is not a de Polignac number, because 53372188519 - 2⁷ = 53372188391 is a prime.

It is a super-2 number, since 2×53372188519² (a number of 22 digits) 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 (53372182519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052776469 + ... + 2052776494.

It is an arithmetic number, because the mean of its divisors is an integer number (14369435374).

Almost surely, 2^53372188519 is an apocalyptic number.

53372188519 is a deficient number, since it is larger than the sum of its proper divisors (4105552977).

53372188519 is a wasteful number, since it uses less digits than its factorization.

53372188519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105552976.

The product of its digits is 1814400, while the sum is 52.

The spelling of 53372188519 in words is "fifty-three billion, three hundred seventy-two million, one hundred eighty-eight thousand, five hundred nineteen".