53351550564 has 24 divisors (see below), whose sum is σ = 134062871040. Its totient is φ = 16415861664.

The previous prime is 53351550541. The next prime is 53351550569. The reversal of 53351550564 is 46505515335.

It is not an unprimeable number, because it can be changed into a prime (53351550569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170998404 + ... + 170998715.

It is an arithmetic number, because the mean of its divisors is an integer number (5585952960).

Almost surely, 2^53351550564 is an apocalyptic number.

It is an amenable number.

53351550564 is an abundant number, since it is smaller than the sum of its proper divisors (80711320476).

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

53351550564 is a wasteful number, since it uses less digits than its factorization.

53351550564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341997139 (or 341997137 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 53351550564 in words is "fifty-three billion, three hundred fifty-one million, five hundred fifty thousand, five hundred sixty-four".