54340505 has 8 divisors (see below), whose sum is σ = 65385672. Its totient is φ = 43354368.

The previous prime is 54340487. The next prime is 54340523. The reversal of 54340505 is 50504345.

It is an interprime number because it is at equal distance from previous prime (54340487) and next prime (54340523).

It can be written as a sum of positive squares in 4 ways, for example, as 17081689 + 37258816 = 4133^2 + 6104^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54340505 - 2²⁰ = 53291929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12704 + ... + 16433.

It is an arithmetic number, because the mean of its divisors is an integer number (8173209).

Almost surely, 2^54340505 is an apocalyptic number.

It is an amenable number.

54340505 is a deficient number, since it is larger than the sum of its proper divisors (11045167).

54340505 is a wasteful number, since it uses less digits than its factorization.

54340505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29515.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 54340505 is about 7371.6012507460. The cubic root of 54340505 is about 378.7691128116.

It can be divided in two parts, 54340 and 505, that added together give a palindrome (54845).

The spelling of 54340505 in words is "fifty-four million, three hundred forty thousand, five hundred five".