54042293 has 2 divisors, whose sum is σ = 54042294. Its totient is φ = 54042292.

The previous prime is 54042257. The next prime is 54042299. The reversal of 54042293 is 39224045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27899524 + 26142769 = 5282^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 54042293 - 2⁶ = 54042229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54042299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27021146 + 27021147.

It is an arithmetic number, because the mean of its divisors is an integer number (27021147).

Almost surely, 2^54042293 is an apocalyptic number.

It is an amenable number.

54042293 is a deficient number, since it is larger than the sum of its proper divisors (1).

54042293 is an equidigital number, since it uses as much as digits as its factorization.

54042293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 54042293 is about 7351.3463392769. The cubic root of 54042293 is about 378.0749667014.

The spelling of 54042293 in words is "fifty-four million, forty-two thousand, two hundred ninety-three".