539455968 has 72 divisors (see below), whose sum is σ = 1624332528. Its totient is φ = 169239552.

The previous prime is 539455957. The next prime is 539455979. The reversal of 539455968 is 869554935.

It is a happy number.

539455968 is a `hidden beast` number, since 5 + 3 + 9 + 45 + 596 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (539455957) and next prime (539455979).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50196 + ... + 59987.

It is an arithmetic number, because the mean of its divisors is an integer number (22560174).

Almost surely, 2^539455968 is an apocalyptic number.

It is an amenable number.

539455968 is an abundant number, since it is smaller than the sum of its proper divisors (1084876560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539455968 is a wasteful number, since it uses less digits than its factorization.

539455968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110216 (or 110205 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 539455968 is about 23226.1914226160. The cubic root of 539455968 is about 814.0517245634.

The spelling of 539455968 in words is "five hundred thirty-nine million, four hundred fifty-five thousand, nine hundred sixty-eight".