5551101 has 6 divisors (see below), whose sum is σ = 8018270. Its totient is φ = 3700728.

The previous prime is 5551099. The next prime is 5551109. The reversal of 5551101 is 1011555.

5551101 is a `hidden beast` number, since 555 + 110 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5062500 + 488601 = 2250^2 + 699^2 .

It is not a de Polignac number, because 5551101 - 2¹ = 5551099 is a prime.

It is a Duffinian number.

5551101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308386 + ... + 308403.

Almost surely, 2^5551101 is an apocalyptic number.

It is an amenable number.

5551101 is a deficient number, since it is larger than the sum of its proper divisors (2467169).

5551101 is a wasteful number, since it uses less digits than its factorization.

5551101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616795 (or 616792 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 5551101 is about 2356.0774605263. The cubic root of 5551101 is about 177.0624121566.

Adding to 5551101 its reverse (1011555), we get a palindrome (6562656).

The spelling of 5551101 in words is "five million, five hundred fifty-one thousand, one hundred one".