552487509 has 24 divisors (see below), whose sum is σ = 913386240. Its totient is φ = 315242208.

The previous prime is 552487493. The next prime is 552487511. The reversal of 552487509 is 905784255.

552487509 is a `hidden beast` number, since 552 + 48 + 7 + 50 + 9 = 666.

It is not a de Polignac number, because 552487509 - 2⁴ = 552487493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552487109) 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, 39199 + ... + 51395.

It is an arithmetic number, because the mean of its divisors is an integer number (38057760).

Almost surely, 2^552487509 is an apocalyptic number.

It is an amenable number.

552487509 is a deficient number, since it is larger than the sum of its proper divisors (360898731).

552487509 is a wasteful number, since it uses less digits than its factorization.

552487509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929 (or 12926 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 552487509 is about 23505.0528397619. The cubic root of 552487509 is about 820.5546064655.

The spelling of 552487509 in words is "five hundred fifty-two million, four hundred eighty-seven thousand, five hundred nine".