550372620601 has 4 divisors (see below), whose sum is σ = 553878178852. Its totient is φ = 546867062352.

The previous prime is 550372620599. The next prime is 550372620619. The reversal of 550372620601 is 106026273055.

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 389269927225 + 161102693376 = 623915^2 + 401376^2 .

It is a cyclic number.

It is not a de Polignac number, because 550372620601 - 2¹ = 550372620599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550372620101) 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, 1752778890 + ... + 1752779203.

It is an arithmetic number, because the mean of its divisors is an integer number (138469544713).

Almost surely, 2^550372620601 is an apocalyptic number.

It is an amenable number.

550372620601 is a deficient number, since it is larger than the sum of its proper divisors (3505558251).

550372620601 is a wasteful number, since it uses less digits than its factorization.

550372620601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505558250.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 550372620601 its reverse (106026273055), we get a palindrome (656398893656).

The spelling of 550372620601 in words is "five hundred fifty billion, three hundred seventy-two million, six hundred twenty thousand, six hundred one".