551652505563 has 4 divisors (see below), whose sum is σ = 735536674088. Its totient is φ = 367768337040.

The previous prime is 551652505499. The next prime is 551652505577. The reversal of 551652505563 is 365505256155.

It is a happy number.

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

It is not a de Polignac number, because 551652505563 - 2⁶ = 551652505499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551652504563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91942084258 + ... + 91942084263.

It is an arithmetic number, because the mean of its divisors is an integer number (183884168522).

Almost surely, 2^551652505563 is an apocalyptic number.

551652505563 is a deficient number, since it is larger than the sum of its proper divisors (183884168525).

551652505563 is a wasteful number, since it uses less digits than its factorization.

551652505563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183884168524.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 551652505563 in words is "five hundred fifty-one billion, six hundred fifty-two million, five hundred five thousand, five hundred sixty-three".