53536496640 has 176 divisors, whose sum is σ = 186800376960. Its totient is φ = 12978503680.

The previous prime is 53536496621. The next prime is 53536496647. The reversal of 53536496640 is 4669463535.

It is a tau number, because it is divible by the number of its divisors (176).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53536496647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10531 + ... + 327389.

Almost surely, 2^53536496640 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 53536496640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93400188480).

53536496640 is an abundant number, since it is smaller than the sum of its proper divisors (133263880320).

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

53536496640 is a wasteful number, since it uses less digits than its factorization.

53536496640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316898 (or 316880 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 53536496640 in words is "fifty-three billion, five hundred thirty-six million, four hundred ninety-six thousand, six hundred forty".