53338378560 has 224 divisors, whose sum is σ = 181771454592. Its totient is φ = 13203210240.

The previous prime is 53338378523. The next prime is 53338378603. The reversal of 53338378560 is 6587383335.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 1168975 + ... + 1213745.

It is an arithmetic number, because the mean of its divisors is an integer number (811479708).

Almost surely, 2^53338378560 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 53338378560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90885727296).

53338378560 is an abundant number, since it is smaller than the sum of its proper divisors (128433076032).

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

53338378560 is a wasteful number, since it uses less digits than its factorization.

53338378560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881 (or 44871 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 53338378560 in words is "fifty-three billion, three hundred thirty-eight million, three hundred seventy-eight thousand, five hundred sixty".