54123389 has 2 divisors, whose sum is σ = 54123390. Its totient is φ = 54123388.

The previous prime is 54123373. The next prime is 54123397. The reversal of 54123389 is 98332145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51008164 + 3115225 = 7142^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 54123389 - 2⁴ = 54123373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061694 + 27061695.

It is an arithmetic number, because the mean of its divisors is an integer number (27061695).

Almost surely, 2^54123389 is an apocalyptic number.

It is an amenable number.

54123389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123389 is an equidigital number, since it uses as much as digits as its factorization.

54123389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 54123389 is about 7356.8599959494. The cubic root of 54123389 is about 378.2639855990.

The spelling of 54123389 in words is "fifty-four million, one hundred twenty-three thousand, three hundred eighty-nine".