53284784519 has 4 divisors (see below), whose sum is σ = 54187916520. Its totient is φ = 52381652520.

The previous prime is 53284784489. The next prime is 53284784563. The reversal of 53284784519 is 91548748235.

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 53284784519 - 2⁸ = 53284784263 is a prime.

It is a super-2 number, since 2×53284784519² (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 (53280784519) 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, 451565912 + ... + 451566029.

It is an arithmetic number, because the mean of its divisors is an integer number (13546979130).

Almost surely, 2^53284784519 is an apocalyptic number.

53284784519 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

53284784519 is a deficient number, since it is larger than the sum of its proper divisors (903132001).

53284784519 is an equidigital number, since it uses as much as digits as its factorization.

53284784519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903132000.

The product of its digits is 9676800, while the sum is 56.

The spelling of 53284784519 in words is "fifty-three billion, two hundred eighty-four million, seven hundred eighty-four thousand, five hundred nineteen".