53636194976 has 144 divisors (see below), whose sum is σ = 132454896840. Its totient is φ = 21191546880.

The previous prime is 53636194943. The next prime is 53636194991. The reversal of 53636194976 is 67949163635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53581138576 + 55056400 = 231476^2 + 7420^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25050866 + ... + 25053006.

Almost surely, 2^53636194976 is an apocalyptic number.

53636194976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53636194976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66227448420).

53636194976 is an abundant number, since it is smaller than the sum of its proper divisors (78818701864).

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

53636194976 is a wasteful number, since it uses less digits than its factorization.

53636194976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3392 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 59.

The spelling of 53636194976 in words is "fifty-three billion, six hundred thirty-six million, one hundred ninety-four thousand, nine hundred seventy-six".