54020539 has 2 divisors, whose sum is σ = 54020540. Its totient is φ = 54020538.

The previous prime is 54020503. The next prime is 54020567. The reversal of 54020539 is 93502045.

54020539 is nontrivially palindromic in base 9.

It is an a-pointer prime, because the next prime (54020567) can be obtained adding 54020539 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54020539 - 2¹³ = 54012347 is a prime.

It is not a weakly prime, because it can be changed into another prime (54020579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27010269 + 27010270.

It is an arithmetic number, because the mean of its divisors is an integer number (27010270).

Almost surely, 2^54020539 is an apocalyptic number.

54020539 is a deficient number, since it is larger than the sum of its proper divisors (1).

54020539 is an equidigital number, since it uses as much as digits as its factorization.

54020539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 54020539 is about 7349.8665974288. The cubic root of 54020539 is about 378.0242302245.

The spelling of 54020539 in words is "fifty-four million, twenty thousand, five hundred thirty-nine".