54047397 has 8 divisors (see below), whose sum is σ = 72115456. Its totient is φ = 36005472.

The previous prime is 54047393. The next prime is 54047453. The reversal of 54047397 is 79374045.

54047397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54047397 - 2² = 54047393 is a prime.

It is a super-2 number, since 2×54047397² = 5842242244951218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54047393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (9014432).

Almost surely, 2^54047397 is an apocalyptic number.

It is an amenable number.

54047397 is a deficient number, since it is larger than the sum of its proper divisors (18068059).

54047397 is a wasteful number, since it uses less digits than its factorization.

54047397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 54047397 is about 7351.6934783763. The cubic root of 54047397 is about 378.0868687000.

The spelling of 54047397 in words is "fifty-four million, forty-seven thousand, three hundred ninety-seven".