550155201 has 32 divisors (see below), whose sum is σ = 781440000. Its totient is φ = 343683648.

The previous prime is 550155197. The next prime is 550155209. The reversal of 550155201 is 102551055.

It is not a de Polignac number, because 550155201 - 2² = 550155197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550155209) 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 31 ways as a sum of consecutive naturals, for example, 744090 + ... + 744828.

It is an arithmetic number, because the mean of its divisors is an integer number (24420000).

Almost surely, 2^550155201 is an apocalyptic number.

It is an amenable number.

550155201 is a deficient number, since it is larger than the sum of its proper divisors (231284799).

550155201 is a wasteful number, since it uses less digits than its factorization.

550155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 550155201 is about 23455.3874621589. The cubic root of 550155201 is about 819.3983297047.

The spelling of 550155201 in words is "five hundred fifty million, one hundred fifty-five thousand, two hundred one".