550516501 has 2 divisors, whose sum is σ = 550516502. Its totient is φ = 550516500.

The previous prime is 550516493. The next prime is 550516537. The reversal of 550516501 is 105615055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507600900 + 42915601 = 22530^2 + 6551^2 .

It is a cyclic number.

It is not a de Polignac number, because 550516501 - 2³ = 550516493 is a prime.

It is a Chen prime.

It is equal to p_28871101 and since 550516501 and 28871101 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550516501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550516591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275258250 + 275258251.

It is an arithmetic number, because the mean of its divisors is an integer number (275258251).

Almost surely, 2^550516501 is an apocalyptic number.

It is an amenable number.

550516501 is a deficient number, since it is larger than the sum of its proper divisors (1).

550516501 is an equidigital number, since it uses as much as digits as its factorization.

550516501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 550516501 is about 23463.0880533659. The cubic root of 550516501 is about 819.5776632407.

The spelling of 550516501 in words is "five hundred fifty million, five hundred sixteen thousand, five hundred one".