54253945 has 4 divisors (see below), whose sum is σ = 65104740. Its totient is φ = 43403152.

The previous prime is 54253921. The next prime is 54253957. The reversal of 54253945 is 54935245.

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 8934121 + 45319824 = 2989^2 + 6732^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253945 - 2¹⁹ = 53729657 is a prime.

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, 5425390 + ... + 5425399.

It is an arithmetic number, because the mean of its divisors is an integer number (16276185).

Almost surely, 2^54253945 is an apocalyptic number.

It is an amenable number.

54253945 is a deficient number, since it is larger than the sum of its proper divisors (10850795).

54253945 is a wasteful number, since it uses less digits than its factorization.

54253945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850794.

The product of its digits is 108000, while the sum is 37.

The square root of 54253945 is about 7365.7277305097. The cubic root of 54253945 is about 378.5678898108.

The spelling of 54253945 in words is "fifty-four million, two hundred fifty-three thousand, nine hundred forty-five".