53044395264 has 288 divisors, whose sum is σ = 181957207040. Its totient is φ = 14928427008.

The previous prime is 53044395259. The next prime is 53044395281. The reversal of 53044395264 is 46259344035.

53044395264 is a `hidden beast` number, since 53 + 0 + 44 + 39 + 526 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3233547 + ... + 3249909.

Almost surely, 2^53044395264 is an apocalyptic number.

53044395264 is a gapful number since it is divisible by the number (54) 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 53044395264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90978603520).

53044395264 is an abundant number, since it is smaller than the sum of its proper divisors (128912811776).

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

53044395264 is a wasteful number, since it uses less digits than its factorization.

53044395264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462 (or 16442 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 53044395264 in words is "fifty-three billion, forty-four million, three hundred ninety-five thousand, two hundred sixty-four".