53942165904 has 240 divisors, whose sum is σ = 155941755200. Its totient is φ = 16053396480.

The previous prime is 53942165833. The next prime is 53942165909. The reversal of 53942165904 is 40956124935.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53942165909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87996702 + ... + 87997314.

Almost surely, 2^53942165904 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 53942165904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77970877600).

53942165904 is an abundant number, since it is smaller than the sum of its proper divisors (101999589296).

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

53942165904 is a wasteful number, since it uses less digits than its factorization.

53942165904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 53942165904 in words is "fifty-three billion, nine hundred forty-two million, one hundred sixty-five thousand, nine hundred four".