54197292 has 48 divisors (see below), whose sum is σ = 139732992. Its totient is φ = 16262400.

The previous prime is 54197281. The next prime is 54197293. The reversal of 54197292 is 29279145.

It is a self number, because there is not a number n which added to its sum of digits gives 54197292.

It is not an unprimeable number, because it can be changed into a prime (54197293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (2911104).

Almost surely, 2^54197292 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 54197292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69866496).

54197292 is an abundant number, since it is smaller than the sum of its proper divisors (85535700).

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

54197292 is a wasteful number, since it uses less digits than its factorization.

54197292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598 (or 11596 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 54197292 is about 7361.8810096333. The cubic root of 54197292 is about 378.4360746582.

The spelling of 54197292 in words is "fifty-four million, one hundred ninety-seven thousand, two hundred ninety-two".