455555629 has 2 divisors, whose sum is σ = 455555630. Its totient is φ = 455555628.

The previous prime is 455555623. The next prime is 455555651. The reversal of 455555629 is 926555554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289918729 + 165636900 = 17027^2 + 12870^2 .

It is a cyclic number.

It is not a de Polignac number, because 455555629 - 2⁷ = 455555501 is a prime.

It is a super-2 number, since 2×455555629² = 415061862227171282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455555623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227777814 + 227777815.

It is an arithmetic number, because the mean of its divisors is an integer number (227777815).

Almost surely, 2^455555629 is an apocalyptic number.

It is an amenable number.

455555629 is a deficient number, since it is larger than the sum of its proper divisors (1).

455555629 is an equidigital number, since it uses as much as digits as its factorization.

455555629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350000, while the sum is 46.

The square root of 455555629 is about 21343.7491786237. The cubic root of 455555629 is about 769.4501212680.

The spelling of 455555629 in words is "four hundred fifty-five million, five hundred fifty-five thousand, six hundred twenty-nine".