550806001 has 16 divisors (see below), whose sum is σ = 617165568. Its totient is φ = 488857600.

The previous prime is 550805999. The next prime is 550806031. The reversal of 550806001 is 100608055.

It is a cyclic number.

It is not a de Polignac number, because 550806001 - 2¹ = 550805999 is a prime.

It is a super-2 number, since 2×550806001² = 606774501475224002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550806031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17841 + ... + 37681.

It is an arithmetic number, because the mean of its divisors is an integer number (38572848).

Almost surely, 2^550806001 is an apocalyptic number.

It is an amenable number.

550806001 is a deficient number, since it is larger than the sum of its proper divisors (66359567).

550806001 is a wasteful number, since it uses less digits than its factorization.

550806001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 550806001 is about 23469.2565071840. The cubic root of 550806001 is about 819.7213017781.

The spelling of 550806001 in words is "five hundred fifty million, eight hundred six thousand, one".