550075901 has 2 divisors, whose sum is σ = 550075902. Its totient is φ = 550075900.

The previous prime is 550075879. The next prime is 550075927. The reversal of 550075901 is 109570055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301855876 + 248220025 = 17374^2 + 15755^2 .

It is a cyclic number.

It is not a de Polignac number, because 550075901 - 2²² = 545881597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550075301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275037950 + 275037951.

It is an arithmetic number, because the mean of its divisors is an integer number (275037951).

Almost surely, 2^550075901 is an apocalyptic number.

It is an amenable number.

550075901 is a deficient number, since it is larger than the sum of its proper divisors (1).

550075901 is an equidigital number, since it uses as much as digits as its factorization.

550075901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 550075901 is about 23453.6969580491. The cubic root of 550075901 is about 819.3589581421.

The spelling of 550075901 in words is "five hundred fifty million, seventy-five thousand, nine hundred one".