54478471 has 4 divisors (see below), whose sum is σ = 54783000. Its totient is φ = 54173944.

The previous prime is 54478469. The next prime is 54478477. The reversal of 54478471 is 17487445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54478471 - 2¹ = 54478469 is a prime.

It is a super-3 number, since 3×54478471³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54478477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151996 + ... + 152353.

It is an arithmetic number, because the mean of its divisors is an integer number (13695750).

Almost surely, 2^54478471 is an apocalyptic number.

54478471 is a deficient number, since it is larger than the sum of its proper divisors (304529).

54478471 is a wasteful number, since it uses less digits than its factorization.

54478471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304528.

The product of its digits is 125440, while the sum is 40.

The square root of 54478471 is about 7380.9532582181. The cubic root of 54478471 is about 379.0893962790.

The spelling of 54478471 in words is "fifty-four million, four hundred seventy-eight thousand, four hundred seventy-one".