54471789 has 6 divisors (see below), whose sum is σ = 78681486. Its totient is φ = 36314520.

The previous prime is 54471787. The next prime is 54471799. The reversal of 54471789 is 98717445.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 9715689 = 6690^2 + 3117^2 .

It is not a de Polignac number, because 54471789 - 2¹ = 54471787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54471787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3026202 + ... + 3026219.

It is an arithmetic number, because the mean of its divisors is an integer number (13113581).

Almost surely, 2^54471789 is an apocalyptic number.

It is an amenable number.

54471789 is a deficient number, since it is larger than the sum of its proper divisors (24209697).

54471789 is a wasteful number, since it uses less digits than its factorization.

54471789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052427 (or 6052424 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 54471789 is about 7380.5005927782. The cubic root of 54471789 is about 379.0738967072.

The spelling of 54471789 in words is "fifty-four million, four hundred seventy-one thousand, seven hundred eighty-nine".