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550660051 = 991555661
BaseRepresentation
bin100000110100100…
…110011111010011
31102101011102120201
4200310212133103
52111432110201
6130350320031
716434350614
oct4064463723
91371142521
10550660051
11262919057
121344b9017
138a111a66
14531c1c0b
1533523801
hex20d267d3

550660051 has 4 divisors (see below), whose sum is σ = 551216704. Its totient is φ = 550103400.

The previous prime is 550660007. The next prime is 550660057. The reversal of 550660051 is 150066055.

550660051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550660051 - 215 = 550627283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550660057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276840 + ... + 278821.

It is an arithmetic number, because the mean of its divisors is an integer number (137804176).

Almost surely, 2550660051 is an apocalyptic number.

550660051 is a deficient number, since it is larger than the sum of its proper divisors (556653).

550660051 is an equidigital number, since it uses as much as digits as its factorization.

550660051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556652.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 550660051 is about 23466.1469142252. The cubic root of 550660051 is about 819.6488934090.

The spelling of 550660051 in words is "five hundred fifty million, six hundred sixty thousand, fifty-one".

Divisors: 1 991 555661 550660051