551144036 has 6 divisors (see below), whose sum is σ = 964502070. Its totient is φ = 275572016.

The previous prime is 551144023. The next prime is 551144047. The reversal of 551144036 is 630441155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 388326436 + 162817600 = 19706^2 + 12760^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68893001 + ... + 68893008.

It is an arithmetic number, because the mean of its divisors is an integer number (160750345).

Almost surely, 2^551144036 is an apocalyptic number.

It is an amenable number.

551144036 is a deficient number, since it is larger than the sum of its proper divisors (413358034).

551144036 is a wasteful number, since it uses less digits than its factorization.

551144036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137786013 (or 137786011 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 551144036 is about 23476.4570580827. The cubic root of 551144036 is about 819.8889577973. Note that the first 3 decimals are identical.

The spelling of 551144036 in words is "five hundred fifty-one million, one hundred forty-four thousand, thirty-six".