54835780194 has 64 divisors (see below), whose sum is σ = 131361175680. Its totient is φ = 16855801920.

The previous prime is 54835780187. The next prime is 54835780201. The reversal of 54835780194 is 49108753845.

54835780194 is a `hidden beast` number, since 5 + 483 + 5 + 78 + 0 + 1 + 94 = 666.

54835780194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54835780187) and next prime (54835780201).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54835780194.

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, 678489 + ... + 754995.

It is an arithmetic number, because the mean of its divisors is an integer number (2052518370).

Almost surely, 2^54835780194 is an apocalyptic number.

54835780194 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54835780194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65680587840).

54835780194 is an abundant number, since it is smaller than the sum of its proper divisors (76525395486).

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

54835780194 is a wasteful number, since it uses less digits than its factorization.

54835780194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77552 (or 77546 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 54835780194 in words is "fifty-four billion, eight hundred thirty-five million, seven hundred eighty thousand, one hundred ninety-four".