54399523 has 2 divisors, whose sum is σ = 54399524. Its totient is φ = 54399522.

The previous prime is 54399491. The next prime is 54399529. The reversal of 54399523 is 32599345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54399523 - 2⁵ = 54399491 is a prime.

It is not a weakly prime, because it can be changed into another prime (54399529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27199761 + 27199762.

It is an arithmetic number, because the mean of its divisors is an integer number (27199762).

Almost surely, 2^54399523 is an apocalyptic number.

54399523 is a deficient number, since it is larger than the sum of its proper divisors (1).

54399523 is an equidigital number, since it uses as much as digits as its factorization.

54399523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 40.

The square root of 54399523 is about 7375.6032295671. The cubic root of 54399523 is about 378.9061874031.

The spelling of 54399523 in words is "fifty-four million, three hundred ninety-nine thousand, five hundred twenty-three".