550411101 has 12 divisors (see below), whose sum is σ = 814429980. Its totient is φ = 357990720.

The previous prime is 550411061. The next prime is 550411111. The reversal of 550411101 is 101114055.

It is a happy number.

550411101 is a `hidden beast` number, since 550 + 4 + 1 + 110 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 541679076 = 2955^2 + 23274^2 .

It is a de Polignac number, because none of the positive numbers 2^k-550411101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550411111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745446 + ... + 746183.

It is an arithmetic number, because the mean of its divisors is an integer number (67869165).

Almost surely, 2^550411101 is an apocalyptic number.

It is an amenable number.

550411101 is a deficient number, since it is larger than the sum of its proper divisors (264018879).

550411101 is a wasteful number, since it uses less digits than its factorization.

550411101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491676 (or 1491673 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 550411101 is about 23460.8418646902. The cubic root of 550411101 is about 819.5253553935.

Adding to 550411101 its reverse (101114055), we get a palindrome (651525156).

The spelling of 550411101 in words is "five hundred fifty million, four hundred eleven thousand, one hundred one".