550551061007 has 4 divisors (see below), whose sum is σ = 550669795656. Its totient is φ = 550432326360.

The previous prime is 550551060991. The next prime is 550551061031. The reversal of 550551061007 is 700160155055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700160155055 = 5 ⋅140032031011.

It is a cyclic number.

It is not a de Polignac number, because 550551061007 - 2⁴ = 550551060991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550551066007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59360369 + ... + 59369642.

It is an arithmetic number, because the mean of its divisors is an integer number (137667448914).

Almost surely, 2^550551061007 is an apocalyptic number.

550551061007 is a deficient number, since it is larger than the sum of its proper divisors (118734649).

550551061007 is a wasteful number, since it uses less digits than its factorization.

550551061007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118734648.

The product of its (nonzero) digits is 26250, while the sum is 35.

The spelling of 550551061007 in words is "five hundred fifty billion, five hundred fifty-one million, sixty-one thousand, seven".