550815662625 has 32 divisors (see below), whose sum is σ = 917172097920. Its totient is φ = 293571291200.

The previous prime is 550815662623. The next prime is 550815662671. The reversal of 550815662625 is 526266518055.

It is not a de Polignac number, because 550815662625 - 2¹ = 550815662623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550815662623) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 67966 + ... + 1051784.

It is an arithmetic number, because the mean of its divisors is an integer number (28661628060).

Almost surely, 2^550815662625 is an apocalyptic number.

It is an amenable number.

550815662625 is a deficient number, since it is larger than the sum of its proper divisors (366356435295).

550815662625 is a wasteful number, since it uses less digits than its factorization.

550815662625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985330 (or 985320 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 550815662625 in words is "five hundred fifty billion, eight hundred fifteen million, six hundred sixty-two thousand, six hundred twenty-five".