54147834 has 72 divisors (see below), whose sum is σ = 133552692. Its totient is φ = 15759360.

The previous prime is 54147833. The next prime is 54147869. The reversal of 54147834 is 43874145.

It can be written as a sum of positive squares in 2 ways, for example, as 54066609 + 81225 = 7353^2 + 285^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54147833) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84154 + ... + 84794.

Almost surely, 2^54147834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54147834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66776346).

54147834 is an abundant number, since it is smaller than the sum of its proper divisors (79404858).

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

54147834 is a wasteful number, since it uses less digits than its factorization.

54147834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 678 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 54147834 is about 7358.5211829552. The cubic root of 54147834 is about 378.3209250697.

The spelling of 54147834 in words is "fifty-four million, one hundred forty-seven thousand, eight hundred thirty-four".