538552507 has 8 divisors (see below), whose sum is σ = 556848432. Its totient is φ = 520502400.

The previous prime is 538552477. The next prime is 538552513. The reversal of 538552507 is 705255835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538552507 - 2⁷ = 538552379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538552507.

It is not an unprimeable number, because it can be changed into a prime (538552607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56994 + ... + 65767.

It is an arithmetic number, because the mean of its divisors is an integer number (69606054).

Almost surely, 2^538552507 is an apocalyptic number.

538552507 is a deficient number, since it is larger than the sum of its proper divisors (18295925).

538552507 is a wasteful number, since it uses less digits than its factorization.

538552507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122909.

The product of its (nonzero) digits is 210000, while the sum is 40.

The square root of 538552507 is about 23206.7340873290. The cubic root of 538552507 is about 813.5970226741.

The spelling of 538552507 in words is "five hundred thirty-eight million, five hundred fifty-two thousand, five hundred seven".