539591049 has 24 divisors (see below), whose sum is σ = 800111520. Its totient is φ = 350288448.

The previous prime is 539591027. The next prime is 539591057. The reversal of 539591049 is 940195935.

It is a happy number.

539591049 is a `hidden beast` number, since 53 + 9 + 591 + 0 + 4 + 9 = 666.

It is not a de Polignac number, because 539591049 - 2²¹ = 537493897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539590995 and 539591013.

It is not an unprimeable number, because it can be changed into a prime (539591099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52069 + ... + 61565.

It is an arithmetic number, because the mean of its divisors is an integer number (33337980).

Almost surely, 2^539591049 is an apocalyptic number.

539591049 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

539591049 is a deficient number, since it is larger than the sum of its proper divisors (260520471).

539591049 is a wasteful number, since it uses less digits than its factorization.

539591049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669 (or 9666 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 539591049 is about 23229.0991861501. The cubic root of 539591049 is about 814.1196656933.

The spelling of 539591049 in words is "five hundred thirty-nine million, five hundred ninety-one thousand, forty-nine".