513880054 has 4 divisors (see below), whose sum is σ = 770820084. Its totient is φ = 256940026.

The previous prime is 513880039. The next prime is 513880067. The reversal of 513880054 is 450088315.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128470012 + ... + 128470015.

It is an arithmetic number, because the mean of its divisors is an integer number (192705021).

Almost surely, 2^513880054 is an apocalyptic number.

513880054 is a deficient number, since it is larger than the sum of its proper divisors (256940030).

513880054 is a wasteful number, since it uses less digits than its factorization.

513880054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256940029.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 513880054 is about 22668.9226475366. The cubic root of 513880054 is about 800.9779987026.

The spelling of 513880054 in words is "five hundred thirteen million, eight hundred eighty thousand, fifty-four".