53783889062500 has 81 divisors (see below), whose sum is σ = 117672253716619. Its totient is φ = 21509888750000.

The previous prime is 53783889062489. The next prime is 53783889062503. The reversal of 53783889062500 is 526098838735.

The square root of 53783889062500 is 7333750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 38239605057124 + 15544284005376 = 6183818^2 + 3942624^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53783889062503) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9167184567 + ... + 9167190433.

Almost surely, 2^{53783889062500} is an apocalyptic number.

53783889062500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53783889062500 is the 7333750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53783889062500

53783889062500 is an abundant number, since it is smaller than the sum of its proper divisors (63888364654119).

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

53783889062500 is an frugal number, since it uses more digits than its factorization.

53783889062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 53783889062500 in words is "fifty-three trillion, seven hundred eighty-three billion, eight hundred eighty-nine million, sixty-two thousand, five hundred".