550387201 has 48 divisors (see below), whose sum is σ = 718882560. Its totient is φ = 411989760.

The previous prime is 550387183. The next prime is 550387283. The reversal of 550387201 is 102783055.

It is not a de Polignac number, because 550387201 - 2⁵ = 550387169 is a prime.

It is a super-2 number, since 2×550387201² = 605852142049228802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550387001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2092596 + ... + 2092858.

It is an arithmetic number, because the mean of its divisors is an integer number (14976720).

Almost surely, 2^550387201 is an apocalyptic number.

It is an amenable number.

550387201 is a deficient number, since it is larger than the sum of its proper divisors (168495359).

550387201 is a wasteful number, since it uses less digits than its factorization.

550387201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 550387201 is about 23460.3324997750. The cubic root of 550387201 is about 819.5134933874.

The spelling of 550387201 in words is "five hundred fifty million, three hundred eighty-seven thousand, two hundred one".