551153434 has 16 divisors (see below), whose sum is σ = 895478472. Its totient is φ = 252906048.

The previous prime is 551153429. The next prime is 551153437. The reversal of 551153434 is 434351155.

It can be written as a sum of positive squares in 4 ways, for example, as 431185225 + 119968209 = 20765^2 + 10953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551153396 and 551153405.

It is not an unprimeable number, because it can be changed into a prime (551153437) 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, 56769 + ... + 65764.

Almost surely, 2^551153434 is an apocalyptic number.

551153434 is a deficient number, since it is larger than the sum of its proper divisors (344325038).

551153434 is a wasteful number, since it uses less digits than its factorization.

551153434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122721.

The product of its digits is 18000, while the sum is 31.

The square root of 551153434 is about 23476.6572152000. The cubic root of 551153434 is about 819.8936179660.

The spelling of 551153434 in words is "five hundred fifty-one million, one hundred fifty-three thousand, four hundred thirty-four".