537855009 has 16 divisors (see below), whose sum is σ = 727332480. Its totient is φ = 353502720.

The previous prime is 537855007. The next prime is 537855047. The reversal of 537855009 is 900558735.

It is not a de Polignac number, because 537855009 - 2¹ = 537855007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537855001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74844 + ... + 81714.

It is an arithmetic number, because the mean of its divisors is an integer number (45458280).

Almost surely, 2^537855009 is an apocalyptic number.

It is an amenable number.

537855009 is a deficient number, since it is larger than the sum of its proper divisors (189477471).

537855009 is a wasteful number, since it uses less digits than its factorization.

537855009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 537855009 is about 23191.7012959377. The cubic root of 537855009 is about 813.2456317055.

The spelling of 537855009 in words is "five hundred thirty-seven million, eight hundred fifty-five thousand, nine".