54345257 has 4 divisors (see below), whose sum is σ = 54462096. Its totient is φ = 54228420.

The previous prime is 54345229. The next prime is 54345271. The reversal of 54345257 is 75254345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54345257 - 2⁸ = 54345001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54345227) 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, 57719 + ... + 58652.

It is an arithmetic number, because the mean of its divisors is an integer number (13615524).

Almost surely, 2^54345257 is an apocalyptic number.

It is an amenable number.

54345257 is a deficient number, since it is larger than the sum of its proper divisors (116839).

54345257 is a wasteful number, since it uses less digits than its factorization.

54345257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116838.

The product of its digits is 84000, while the sum is 35.

The square root of 54345257 is about 7371.9235617307. The cubic root of 54345257 is about 378.7801534301.

The spelling of 54345257 in words is "fifty-four million, three hundred forty-five thousand, two hundred fifty-seven".