54197730 has 24 divisors (see below), whose sum is σ = 140914332. Its totient is φ = 14452704.

The previous prime is 54197719. The next prime is 54197749. The reversal of 54197730 is 3779145.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54154881 + 42849 = 7359^2 + 207^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301009 + ... + 301188.

Almost surely, 2^54197730 is an apocalyptic number.

54197730 is an abundant number, since it is smaller than the sum of its proper divisors (86716602).

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

54197730 is a wasteful number, since it uses less digits than its factorization.

54197730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602210 (or 602207 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 54197730 is about 7361.9107574053. The cubic root of 54197730 is about 378.4370941098.

The spelling of 54197730 in words is "fifty-four million, one hundred ninety-seven thousand, seven hundred thirty".