551313055 has 16 divisors (see below), whose sum is σ = 698958720. Its totient is φ = 416776192.

The previous prime is 551313053. The next prime is 551313067. The reversal of 551313055 is 550313155.

It is a cyclic number.

It is not a de Polignac number, because 551313055 - 2¹ = 551313053 is a prime.

It is a super-3 number, since 3×551313055³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551313053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33634 + ... + 47263.

It is an arithmetic number, because the mean of its divisors is an integer number (43684920).

Almost surely, 2^551313055 is an apocalyptic number.

551313055 is a deficient number, since it is larger than the sum of its proper divisors (147645665).

551313055 is a wasteful number, since it uses less digits than its factorization.

551313055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80978.

The product of its (nonzero) digits is 5625, while the sum is 28.

The square root of 551313055 is about 23480.0565374106. The cubic root of 551313055 is about 819.9727608441.

The spelling of 551313055 in words is "five hundred fifty-one million, three hundred thirteen thousand, fifty-five".