550051006061 has 4 divisors (see below), whose sum is σ = 582406947612. Its totient is φ = 517695064512.

The previous prime is 550051005989. The next prime is 550051006067. The reversal of 550051006061 is 160600150055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254570702500 + 295480303561 = 504550^2 + 543581^2 .

It is a cyclic number.

It is not a de Polignac number, because 550051006061 - 2²² = 550046811757 is a prime.

It is a super-2 number, since 2×550051006061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550051006067) 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, 16177970750 + ... + 16177970783.

It is an arithmetic number, because the mean of its divisors is an integer number (145601736903).

Almost surely, 2^550051006061 is an apocalyptic number.

It is an amenable number.

550051006061 is a deficient number, since it is larger than the sum of its proper divisors (32355941551).

550051006061 is a wasteful number, since it uses less digits than its factorization.

550051006061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32355941550.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 550051006061 in words is "five hundred fifty billion, fifty-one million, six thousand, sixty-one".