513450552 has 16 divisors (see below), whose sum is σ = 1283626440. Its totient is φ = 171150176.

The previous prime is 513450529. The next prime is 513450559. The reversal of 513450552 is 255054315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513450559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10696863 + ... + 10696910.

Almost surely, 2^513450552 is an apocalyptic number.

It is an amenable number.

513450552 is an abundant number, since it is smaller than the sum of its proper divisors (770175888).

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

513450552 is a wasteful number, since it uses less digits than its factorization.

513450552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393782 (or 21393778 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 513450552 is about 22659.4473012914. The cubic root of 513450552 is about 800.7547834867.

The spelling of 513450552 in words is "five hundred thirteen million, four hundred fifty thousand, five hundred fifty-two".