551106149 has 8 divisors (see below), whose sum is σ = 601408992. Its totient is φ = 500837040.

The previous prime is 551106109. The next prime is 551106173. The reversal of 551106149 is 941601155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551106149 - 2¹⁶ = 551040613 is a prime.

It is a super-2 number, since 2×551106149² = 607435974931220402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551106109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35882 + ... + 48884.

It is an arithmetic number, because the mean of its divisors is an integer number (75176124).

Almost surely, 2^551106149 is an apocalyptic number.

It is an amenable number.

551106149 is a deficient number, since it is larger than the sum of its proper divisors (50302843).

551106149 is a wasteful number, since it uses less digits than its factorization.

551106149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16867.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 551106149 is about 23475.6501294426. The cubic root of 551106149 is about 819.8701703039.

The spelling of 551106149 in words is "five hundred fifty-one million, one hundred six thousand, one hundred forty-nine".