551911135 has 16 divisors (see below), whose sum is σ = 684391680. Its totient is φ = 426827520.

The previous prime is 551911133. The next prime is 551911147. The reversal of 551911135 is 531119155.

It is not a de Polignac number, because 551911135 - 2¹ = 551911133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 551911097 and 551911106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551911133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248289 + ... + 250501.

It is an arithmetic number, because the mean of its divisors is an integer number (42774480).

Almost surely, 2^551911135 is an apocalyptic number.

551911135 is a deficient number, since it is larger than the sum of its proper divisors (132480545).

551911135 is a wasteful number, since it uses less digits than its factorization.

551911135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its digits is 3375, while the sum is 31.

The square root of 551911135 is about 23492.7890000315. The cubic root of 551911135 is about 820.2691635712.

The spelling of 551911135 in words is "five hundred fifty-one million, nine hundred eleven thousand, one hundred thirty-five".