539438557 has 32 divisors (see below), whose sum is σ = 661248000. Its totient is φ = 429841728.

The previous prime is 539438551. The next prime is 539438579. The reversal of 539438557 is 755834935.

539438557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539438557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539438557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539438551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3230088 + ... + 3230254.

It is an arithmetic number, because the mean of its divisors is an integer number (20664000).

Almost surely, 2^539438557 is an apocalyptic number.

It is an amenable number.

539438557 is a deficient number, since it is larger than the sum of its proper divisors (121809443).

539438557 is a wasteful number, since it uses less digits than its factorization.

539438557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its digits is 2268000, while the sum is 49.

The square root of 539438557 is about 23225.8166056653. The cubic root of 539438557 is about 814.0429665999.

It can be divided in two parts, 53943 and 8557, that added together give a square (62500 = 250²).

The spelling of 539438557 in words is "five hundred thirty-nine million, four hundred thirty-eight thousand, five hundred fifty-seven".