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550540454 = 2275270227
BaseRepresentation
bin100000110100001…
…001010010100110
31102100221100112012
4200310021102212
52111414243304
6130343554222
716433342132
oct4064112246
91370840465
10550540454
11262847212
1213445b972
138a09c4a9
14531903c2
15334ed16e
hex20d094a6

550540454 has 4 divisors (see below), whose sum is σ = 825810684. Its totient is φ = 275270226.

The previous prime is 550540423. The next prime is 550540483. The reversal of 550540454 is 454045055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454045055 = 590809011.

It is a super-2 number, since 2×5505404542 = 606189582981052232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550540454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137635112 + ... + 137635115.

It is an arithmetic number, because the mean of its divisors is an integer number (206452671).

Almost surely, 2550540454 is an apocalyptic number.

550540454 is a deficient number, since it is larger than the sum of its proper divisors (275270230).

550540454 is a wasteful number, since it uses less digits than its factorization.

550540454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275270229.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 550540454 is about 23463.5984878705. The cubic root of 550540454 is about 819.5895496898.

The spelling of 550540454 in words is "five hundred fifty million, five hundred forty thousand, four hundred fifty-four".

Divisors: 1 2 275270227 550540454