54420605 has 4 divisors (see below), whose sum is σ = 65304732. Its totient is φ = 43536480.

The previous prime is 54420581. The next prime is 54420649. The reversal of 54420605 is 50602445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50602445 = 5 ⋅10120489.

It can be written as a sum of positive squares in 2 ways, for example, as 36264484 + 18156121 = 6022^2 + 4261^2 .

It is not a de Polignac number, because 54420605 - 2²² = 50226301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5442056 + ... + 5442065.

It is an arithmetic number, because the mean of its divisors is an integer number (16326183).

Almost surely, 2^54420605 is an apocalyptic number.

It is an amenable number.

54420605 is a deficient number, since it is larger than the sum of its proper divisors (10884127).

54420605 is a wasteful number, since it uses less digits than its factorization.

54420605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884126.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 54420605 is about 7377.0322623668. The cubic root of 54420605 is about 378.9551282033.

The spelling of 54420605 in words is "fifty-four million, four hundred twenty thousand, six hundred five".