53255455236 has 144 divisors (see below), whose sum is σ = 143641889664. Its totient is φ = 17240138496.

The previous prime is 53255455207. The next prime is 53255455249. The reversal of 53255455236 is 63255455235.

It is a happy number.

53255455236 is a `hidden beast` number, since 5 + 3 + 25 + 545 + 52 + 36 = 666.

It is a super-2 number, since 2×53255455236² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53255455191 and 53255455200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26720256 + ... + 26722248.

Almost surely, 2^53255455236 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 53255455236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71820944832).

53255455236 is an abundant number, since it is smaller than the sum of its proper divisors (90386434428).

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

53255455236 is a wasteful number, since it uses less digits than its factorization.

53255455236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792 (or 2778 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

Subtracting 53255455236 from its reverse (63255455235), we obtain a palindrome (9999999999).

The spelling of 53255455236 in words is "fifty-three billion, two hundred fifty-five million, four hundred fifty-five thousand, two hundred thirty-six".