551454454156 has 12 divisors (see below), whose sum is σ = 967632550192. Its totient is φ = 274988011248.

The previous prime is 551454454123. The next prime is 551454454163. The reversal of 551454454156 is 651454454155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184802280 + ... + 184805263.

Almost surely, 2^551454454156 is an apocalyptic number.

It is an amenable number.

551454454156 is a deficient number, since it is larger than the sum of its proper divisors (416178096036).

551454454156 is a wasteful number, since it uses less digits than its factorization.

551454454156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369607920 (or 369607918 counting only the distinct ones).

The product of its digits is 4800000, while the sum is 49.

Subtracting 551454454156 from its reverse (651454454155), we obtain a palindrome (99999999999).

The spelling of 551454454156 in words is "five hundred fifty-one billion, four hundred fifty-four million, four hundred fifty-four thousand, one hundred fifty-six".