54405775 has 12 divisors (see below), whose sum is σ = 69640384. Its totient is φ = 42120000.

The previous prime is 54405773. The next prime is 54405781. The reversal of 54405775 is 57750445.

It is not a de Polignac number, because 54405775 - 2¹ = 54405773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34326 + ... + 35875.

Almost surely, 2^54405775 is an apocalyptic number.

54405775 is a deficient number, since it is larger than the sum of its proper divisors (15234609).

54405775 is a wasteful number, since it uses less digits than its factorization.

54405775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70242 (or 70237 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 54405775 is about 7376.0270471305. The cubic root of 54405775 is about 378.9207024246.

The spelling of 54405775 in words is "fifty-four million, four hundred five thousand, seven hundred seventy-five".