53555164416 has 648 divisors, whose sum is σ = 182417679360. Its totient is φ = 15488299008.

The previous prime is 53555164393. The next prime is 53555164423. The reversal of 53555164416 is 61446155535.

53555164416 is a `hidden beast` number, since 5 + 35 + 551 + 64 + 4 + 1 + 6 = 666.

Its product of digits (1080000) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 421694145 + ... + 421694271.

Almost surely, 2^53555164416 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 53555164416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91208839680).

53555164416 is an abundant number, since it is smaller than the sum of its proper divisors (128862514944).

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

53555164416 is a wasteful number, since it uses less digits than its factorization.

53555164416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 164 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 53555164416 in words is "fifty-three billion, five hundred fifty-five million, one hundred sixty-four thousand, four hundred sixteen".