551424105 has 24 divisors (see below), whose sum is σ = 991204032. Its totient is φ = 294092208.

The previous prime is 551424101. The next prime is 551424113. The reversal of 551424105 is 501424155.

551424105 is a `hidden beast` number, since 551 + 4 + 2 + 4 + 105 = 666.

It is not a de Polignac number, because 551424105 - 2² = 551424101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (551424101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225709 + ... + 228138.

It is an arithmetic number, because the mean of its divisors is an integer number (41300168).

Almost surely, 2^551424105 is an apocalyptic number.

It is an amenable number.

551424105 is a deficient number, since it is larger than the sum of its proper divisors (439779927).

551424105 is an equidigital number, since it uses as much as digits as its factorization.

551424105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453867 (or 453855 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 551424105 is about 23482.4211911804. The cubic root of 551424105 is about 820.0278123622.

The spelling of 551424105 in words is "five hundred fifty-one million, four hundred twenty-four thousand, one hundred five".