513955948 has 12 divisors (see below), whose sum is σ = 981188712. Its totient is φ = 233616320.

The previous prime is 513955943. The next prime is 513955957. The reversal of 513955948 is 849559315.

It is not an unprimeable number, because it can be changed into a prime (513955943) 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, 5840365 + ... + 5840452.

It is an arithmetic number, because the mean of its divisors is an integer number (81765726).

Almost surely, 2^513955948 is an apocalyptic number.

It is an amenable number.

513955948 is a deficient number, since it is larger than the sum of its proper divisors (467232764).

513955948 is a wasteful number, since it uses less digits than its factorization.

513955948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680832 (or 11680830 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The square root of 513955948 is about 22670.5965514805. The cubic root of 513955948 is about 801.0174284174.

The spelling of 513955948 in words is "five hundred thirteen million, nine hundred fifty-five thousand, nine hundred forty-eight".