54473869 has 2 divisors, whose sum is σ = 54473870. Its totient is φ = 54473868.

The previous prime is 54473843. The next prime is 54473891. The reversal of 54473869 is 96837445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54213769 + 260100 = 7363^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 54473869 - 2²¹ = 52376717 is a prime.

It is a super-2 number, since 2×54473869² = 5934804807658322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54473369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27236934 + 27236935.

It is an arithmetic number, because the mean of its divisors is an integer number (27236935).

Almost surely, 2^54473869 is an apocalyptic number.

It is an amenable number.

54473869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54473869 is an equidigital number, since it uses as much as digits as its factorization.

54473869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 54473869 is about 7380.6415032841. The cubic root of 54473869 is about 379.0787216125.

It can be divided in two parts, 5447 and 3869, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 54473869 in words is "fifty-four million, four hundred seventy-three thousand, eight hundred sixty-nine".