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54884479 = 134221883
BaseRepresentation
bin1101000101011…
…1100001111111
310211021102100111
43101113201333
5103022300404
65240210451
71234340026
oct321274177
9124242314
1054884479
1128a87581
1216469a27
13b4a8730
1474098bd
154c42104
hex345787f

54884479 has 4 divisors (see below), whose sum is σ = 59106376. Its totient is φ = 50662584.

The previous prime is 54884441. The next prime is 54884549. The reversal of 54884479 is 97448845.

It is a happy number.

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 54884479 - 213 = 54876287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54884779) 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, 2110929 + ... + 2110954.

It is an arithmetic number, because the mean of its divisors is an integer number (14776594).

Almost surely, 254884479 is an apocalyptic number.

54884479 is a deficient number, since it is larger than the sum of its proper divisors (4221897).

54884479 is a wasteful number, since it uses less digits than its factorization.

54884479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221896.

The product of its digits is 1290240, while the sum is 49.

The square root of 54884479 is about 7408.4059688978. The cubic root of 54884479 is about 380.0288043724.

The spelling of 54884479 in words is "fifty-four million, eight hundred eighty-four thousand, four hundred seventy-nine".

Divisors: 1 13 4221883 54884479