551051101 has 4 divisors (see below), whose sum is σ = 565944412. Its totient is φ = 536157792.

The previous prime is 551051047. The next prime is 551051113. The reversal of 551051101 is 101150155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101150155 = 5 ⋅20230031.

It can be written as a sum of positive squares in 2 ways, for example, as 365383225 + 185667876 = 19115^2 + 13626^2 .

It is a cyclic number.

It is not a de Polignac number, because 551051101 - 2¹¹ = 551049053 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 (551051131) 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, 7446600 + ... + 7446673.

It is an arithmetic number, because the mean of its divisors is an integer number (141486103).

Almost surely, 2^551051101 is an apocalyptic number.

It is an amenable number.

551051101 is a deficient number, since it is larger than the sum of its proper divisors (14893311).

551051101 is a wasteful number, since it uses less digits than its factorization.

551051101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893310.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 551051101 is about 23474.4776512705. The cubic root of 551051101 is about 819.8428714396.

The spelling of 551051101 in words is "five hundred fifty-one million, fifty-one thousand, one hundred one".