551440563546056 has 64 divisors (see below), whose sum is σ = 1037688260197680. Its totient is φ = 274725002280960.

The previous prime is 551440563546001. The next prime is 551440563546113. The reversal of 551440563546056 is 650645365044155.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 27911842983556 + 523528720562500 = 5283166^2 + 22880750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551440563545986 and 551440563546004.

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, 20624610320 + ... + 20624637056.

Almost surely, 2^{551440563546056} is an apocalyptic number.

It is an amenable number.

551440563546056 is a deficient number, since it is larger than the sum of its proper divisors (486247696651624).

551440563546056 is a wasteful number, since it uses less digits than its factorization.

551440563546056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32514 (or 32510 counting only the distinct ones).

The product of its (nonzero) digits is 129600000, while the sum is 59.

The spelling of 551440563546056 in words is "five hundred fifty-one trillion, four hundred forty billion, five hundred sixty-three million, five hundred forty-six thousand, fifty-six".