513520054 has 12 divisors (see below), whose sum is σ = 818256924. Its totient is φ = 241656224.

The previous prime is 513520013. The next prime is 513520099. The reversal of 513520054 is 450025315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443644 + ... + 444799.

It is an arithmetic number, because the mean of its divisors is an integer number (68188077).

Almost surely, 2^513520054 is an apocalyptic number.

513520054 is a deficient number, since it is larger than the sum of its proper divisors (304736870).

513520054 is a wasteful number, since it uses less digits than its factorization.

513520054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888479 (or 888462 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 513520054 is about 22660.9808702095. The cubic root of 513520054 is about 800.7909126055.

Adding to 513520054 its reverse (450025315), we get a palindrome (963545369).

The spelling of 513520054 in words is "five hundred thirteen million, five hundred twenty thousand, fifty-four".