53681076834 has 128 divisors (see below), whose sum is σ = 143844636672. Its totient is φ = 12926960640.

The previous prime is 53681076829. The next prime is 53681076853. The reversal of 53681076834 is 43867018635.

It is a super-2 number, since 2×53681076834² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 475212 + ... + 577224.

It is an arithmetic number, because the mean of its divisors is an integer number (1123786224).

Almost surely, 2^53681076834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53681076834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71922318336).

53681076834 is an abundant number, since it is smaller than the sum of its proper divisors (90163559838).

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

53681076834 is a wasteful number, since it uses less digits than its factorization.

53681076834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102120.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 53681076834 in words is "fifty-three billion, six hundred eighty-one million, seventy-six thousand, eight hundred thirty-four".