550640625755 has 16 divisors (see below), whose sum is σ = 722254860000. Its totient is φ = 399679119360.

The previous prime is 550640625751. The next prime is 550640625763. The reversal of 550640625755 is 557526046055.

It is not a de Polignac number, because 550640625755 - 2² = 550640625751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550640625751) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9806630 + ... + 9862619.

It is an arithmetic number, because the mean of its divisors is an integer number (45140928750).

Almost surely, 2^550640625755 is an apocalyptic number.

550640625755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550640625755 is a deficient number, since it is larger than the sum of its proper divisors (171614234245).

550640625755 is a wasteful number, since it uses less digits than its factorization.

550640625755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19669774.

The product of its (nonzero) digits is 6300000, while the sum is 50.

The spelling of 550640625755 in words is "five hundred fifty billion, six hundred forty million, six hundred twenty-five thousand, seven hundred fifty-five".