513450555654 has 64 divisors (see below), whose sum is σ = 1093893465600. Its totient is φ = 160108439040.

The previous prime is 513450555641. The next prime is 513450555661. The reversal of 513450555654 is 456555054315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20549389 + ... + 20574359.

It is an arithmetic number, because the mean of its divisors is an integer number (17092085400).

Almost surely, 2^513450555654 is an apocalyptic number.

513450555654 is an abundant number, since it is smaller than the sum of its proper divisors (580442909946).

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

513450555654 is a wasteful number, since it uses less digits than its factorization.

513450555654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26205.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 513450555654 in words is "five hundred thirteen billion, four hundred fifty million, five hundred fifty-five thousand, six hundred fifty-four".