54406745 has 4 divisors (see below), whose sum is σ = 65288100. Its totient is φ = 43525392.

The previous prime is 54406741. The next prime is 54406757. The reversal of 54406745 is 54760445.

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 19324816 + 35081929 = 4396^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 54406745 - 2² = 54406741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54406741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440670 + ... + 5440679.

It is an arithmetic number, because the mean of its divisors is an integer number (16322025).

Almost surely, 2^54406745 is an apocalyptic number.

It is an amenable number.

54406745 is a deficient number, since it is larger than the sum of its proper divisors (10881355).

54406745 is a wasteful number, since it uses less digits than its factorization.

54406745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881354.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 54406745 is about 7376.0928003924. The cubic root of 54406745 is about 378.9229543357.

The spelling of 54406745 in words is "fifty-four million, four hundred six thousand, seven hundred forty-five".