53834644578 has 192 divisors, whose sum is σ = 135145092096. Its totient is φ = 14176166400.

The previous prime is 53834644573. The next prime is 53834644579. The reversal of 53834644578 is 87544643835.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53834644573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10822900 + ... + 10827872.

It is an arithmetic number, because the mean of its divisors is an integer number (703880688).

Almost surely, 2^53834644578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53834644578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67572546048).

53834644578 is an abundant number, since it is smaller than the sum of its proper divisors (81310447518).

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

53834644578 is a wasteful number, since it uses less digits than its factorization.

53834644578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081 (or 5070 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 57.

The spelling of 53834644578 in words is "fifty-three billion, eight hundred thirty-four million, six hundred forty-four thousand, five hundred seventy-eight".