53275777456 has 80 divisors (see below), whose sum is σ = 113829776928. Its totient is φ = 23954278400.

The previous prime is 53275777447. The next prime is 53275777459. The reversal of 53275777456 is 65477757235.

It is a self number, because there is not a number n which added to its sum of digits gives 53275777456.

It is not an unprimeable number, because it can be changed into a prime (53275777459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061046 + ... + 7068586.

Almost surely, 2^53275777456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53275777456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56914888464).

53275777456 is an abundant number, since it is smaller than the sum of its proper divisors (60553999472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53275777456 is a wasteful number, since it uses less digits than its factorization.

53275777456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7984 counting only the distinct ones).

The product of its digits is 43218000, while the sum is 58.

The spelling of 53275777456 in words is "fifty-three billion, two hundred seventy-five million, seven hundred seventy-seven thousand, four hundred fifty-six".