551554433 has 2 divisors, whose sum is σ = 551554434. Its totient is φ = 551554432.

The previous prime is 551554429. The next prime is 551554453. The reversal of 551554433 is 334455155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402885184 + 148669249 = 20072^2 + 12193^2 .

It is a cyclic number.

It is not a de Polignac number, because 551554433 - 2² = 551554429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551554393 and 551554402.

It is not a weakly prime, because it can be changed into another prime (551554403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275777216 + 275777217.

It is an arithmetic number, because the mean of its divisors is an integer number (275777217).

Almost surely, 2^551554433 is an apocalyptic number.

It is an amenable number.

551554433 is a deficient number, since it is larger than the sum of its proper divisors (1).

551554433 is an equidigital number, since it uses as much as digits as its factorization.

551554433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 35.

The square root of 551554433 is about 23485.1960392073. The cubic root of 551554433 is about 820.0924112588.

The spelling of 551554433 in words is "five hundred fifty-one million, five hundred fifty-four thousand, four hundred thirty-three".