54249345 has 20 divisors (see below), whose sum is σ = 97247700. Its totient is φ = 28932768.

The previous prime is 54249323. The next prime is 54249347. The reversal of 54249345 is 54394245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28483569 + 25765776 = 5337^2 + 5076^2 .

It is not a de Polignac number, because 54249345 - 2¹⁴ = 54232961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54249347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66570 + ... + 67379.

It is an arithmetic number, because the mean of its divisors is an integer number (4862385).

Almost surely, 2^54249345 is an apocalyptic number.

It is an amenable number.

54249345 is a deficient number, since it is larger than the sum of its proper divisors (42998355).

54249345 is a wasteful number, since it uses less digits than its factorization.

54249345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133966 (or 133957 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 54249345 is about 7365.4154668966. The cubic root of 54249345 is about 378.5571903645.

The spelling of 54249345 in words is "fifty-four million, two hundred forty-nine thousand, three hundred forty-five".