550403454451 has 2 divisors, whose sum is σ = 550403454452. Its totient is φ = 550403454450.

The previous prime is 550403454421. The next prime is 550403454463. The reversal of 550403454451 is 154454304055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550403454451 - 2³¹ = 548255970803 is a prime.

It is a super-2 number, since 2×550403454451² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550403454421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275201727225 + 275201727226.

It is an arithmetic number, because the mean of its divisors is an integer number (275201727226).

Almost surely, 2^550403454451 is an apocalyptic number.

550403454451 is a deficient number, since it is larger than the sum of its proper divisors (1).

550403454451 is an equidigital number, since it uses as much as digits as its factorization.

550403454451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 550403454451 in words is "five hundred fifty billion, four hundred three million, four hundred fifty-four thousand, four hundred fifty-one".