54401005 has 4 divisors (see below), whose sum is σ = 65281212. Its totient is φ = 43520800.

The previous prime is 54400993. The next prime is 54401021. The reversal of 54401005 is 50010445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38576521 + 15824484 = 6211^2 + 3978^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54401005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440096 + ... + 5440105.

It is an arithmetic number, because the mean of its divisors is an integer number (16320303).

Almost surely, 2^54401005 is an apocalyptic number.

It is an amenable number.

54401005 is a deficient number, since it is larger than the sum of its proper divisors (10880207).

54401005 is a wasteful number, since it uses less digits than its factorization.

54401005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880206.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 54401005 is about 7375.7036952416. The cubic root of 54401005 is about 378.9096282045.

The spelling of 54401005 in words is "fifty-four million, four hundred one thousand, five".