506565561354 has 32 divisors (see below), whose sum is σ = 1045417193856. Its totient is φ = 163534298880.

The previous prime is 506565561343. The next prime is 506565561373. The reversal of 506565561354 is 453165565605.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 506565561297 and 506565561306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7481662 + ... + 7549065.

It is an arithmetic number, because the mean of its divisors is an integer number (32669287308).

Almost surely, 2^506565561354 is an apocalyptic number.

506565561354 is an abundant number, since it is smaller than the sum of its proper divisors (538851632502).

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

506565561354 is a wasteful number, since it uses less digits than its factorization.

506565561354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030910.

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 506565561354 in words is "five hundred six billion, five hundred sixty-five million, five hundred sixty-one thousand, three hundred fifty-four".