53826774540 has 192 divisors, whose sum is σ = 190985776128. Its totient is φ = 11001369600.

The previous prime is 53826774523. The next prime is 53826774541. The reversal of 53826774540 is 4547762835.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53826774541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186322 + ... + 377318.

It is an arithmetic number, because the mean of its divisors is an integer number (994717584).

Almost surely, 2^53826774540 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 53826774540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95492888064).

53826774540 is an abundant number, since it is smaller than the sum of its proper divisors (137159001588).

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

53826774540 is a wasteful number, since it uses less digits than its factorization.

53826774540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191088 (or 191086 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 53826774540 in words is "fifty-three billion, eight hundred twenty-six million, seven hundred seventy-four thousand, five hundred forty".