455646551 has 2 divisors, whose sum is σ = 455646552. Its totient is φ = 455646550.

The previous prime is 455646493. The next prime is 455646589. The reversal of 455646551 is 155646554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455646551 - 2¹⁸ = 455384407 is a prime.

It is a super-2 number, since 2×455646551² = 415227558876391202, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 455646499 and 455646508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455606551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227823275 + 227823276.

It is an arithmetic number, because the mean of its divisors is an integer number (227823276).

Almost surely, 2^455646551 is an apocalyptic number.

455646551 is a deficient number, since it is larger than the sum of its proper divisors (1).

455646551 is an equidigital number, since it uses as much as digits as its factorization.

455646551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360000, while the sum is 41.

The square root of 455646551 is about 21345.8790168032. The cubic root of 455646551 is about 769.5013080574.

The spelling of 455646551 in words is "four hundred fifty-five million, six hundred forty-six thousand, five hundred fifty-one".