550331651 has 2 divisors, whose sum is σ = 550331652. Its totient is φ = 550331650.

The previous prime is 550331647. The next prime is 550331653. The reversal of 550331651 is 156133055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550331651 - 2² = 550331647 is a prime.

Together with 550331653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550331653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275165825 + 275165826.

It is an arithmetic number, because the mean of its divisors is an integer number (275165826).

Almost surely, 2^550331651 is an apocalyptic number.

550331651 is a deficient number, since it is larger than the sum of its proper divisors (1).

550331651 is an equidigital number, since it uses as much as digits as its factorization.

550331651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 550331651 is about 23459.1485565866. The cubic root of 550331651 is about 819.4859215821.

The spelling of 550331651 in words is "five hundred fifty million, three hundred thirty-one thousand, six hundred fifty-one".