551364433 has 8 divisors (see below), whose sum is σ = 565203240. Its totient is φ = 537544320.

The previous prime is 551364427. The next prime is 551364449. The reversal of 551364433 is 334463155.

It can be written as a sum of positive squares in 4 ways, for example, as 202123089 + 349241344 = 14217^2 + 18688^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 551364433 - 2¹³ = 551356241 is a prime.

It is a super-2 number, since 2×551364433² = 608005475954822978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551364493) 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, 69591 + ... + 77107.

It is an arithmetic number, because the mean of its divisors is an integer number (70650405).

Almost surely, 2^551364433 is an apocalyptic number.

It is an amenable number.

551364433 is a deficient number, since it is larger than the sum of its proper divisors (13838807).

551364433 is a wasteful number, since it uses less digits than its factorization.

551364433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347.

The product of its digits is 64800, while the sum is 34.

The square root of 551364433 is about 23481.1505893557. The cubic root of 551364433 is about 819.9982317035.

The spelling of 551364433 in words is "five hundred fifty-one million, three hundred sixty-four thousand, four hundred thirty-three".