54197694 has 64 divisors (see below), whose sum is σ = 127137600. Its totient is φ = 17087616.

The previous prime is 54197687. The next prime is 54197699. The reversal of 54197694 is 49679145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54197699) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 82672 + ... + 83324.

It is an arithmetic number, because the mean of its divisors is an integer number (1986525).

Almost surely, 2^54197694 is an apocalyptic number.

54197694 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 54197694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63568800).

54197694 is an abundant number, since it is smaller than the sum of its proper divisors (72939906).

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

54197694 is a wasteful number, since it uses less digits than its factorization.

54197694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 740 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 54197694 is about 7361.9083123875. The cubic root of 54197694 is about 378.4370103195.

The spelling of 54197694 in words is "fifty-four million, one hundred ninety-seven thousand, six hundred ninety-four".