550431793 has 2 divisors, whose sum is σ = 550431794. Its totient is φ = 550431792.

The previous prime is 550431787. The next prime is 550431859. The reversal of 550431793 is 397134055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466214464 + 84217329 = 21592^2 + 9177^2 .

It is a cyclic number.

It is not a de Polignac number, because 550431793 - 2²¹ = 548334641 is a prime.

It is not a weakly prime, because it can be changed into another prime (550431743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275215896 + 275215897.

It is an arithmetic number, because the mean of its divisors is an integer number (275215897).

Almost surely, 2^550431793 is an apocalyptic number.

It is an amenable number.

550431793 is a deficient number, since it is larger than the sum of its proper divisors (1).

550431793 is an equidigital number, since it uses as much as digits as its factorization.

550431793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 550431793 is about 23461.2828506883. The cubic root of 550431793 is about 819.5356249333.

The spelling of 550431793 in words is "five hundred fifty million, four hundred thirty-one thousand, seven hundred ninety-three".