550555578079 has 8 divisors (see below), whose sum is σ = 592917796800. Its totient is φ = 508195043616.

The previous prime is 550555578077. The next prime is 550555578091. The reversal of 550555578079 is 970875555055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550555578079 - 2¹ = 550555578077 is a prime.

It is a super-2 number, since 2×550555578079² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550555578077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304122 + ... + 1092520.

It is an arithmetic number, because the mean of its divisors is an integer number (74114724600).

Almost surely, 2^550555578079 is an apocalyptic number.

550555578079 is a deficient number, since it is larger than the sum of its proper divisors (42362218721).

550555578079 is a wasteful number, since it uses less digits than its factorization.

550555578079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842129.

The product of its (nonzero) digits is 55125000, while the sum is 61.

The spelling of 550555578079 in words is "five hundred fifty billion, five hundred fifty-five million, five hundred seventy-eight thousand, seventy-nine".