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54775449 = 3216573673
BaseRepresentation
bin1101000011110…
…0111010011001
310211001212210100
43100330322121
5103010303244
65234010013
71233404121
oct320747231
9124055710
1054775449
1128a12673
1216416909
13b46ac11
1473bbc81
154c1eb69
hex343ce99

54775449 has 12 divisors (see below), whose sum is σ = 79189396. Its totient is φ = 36484992.

The previous prime is 54775417. The next prime is 54775453. The reversal of 54775449 is 94457745.

It can be written as a sum of positive squares in 2 ways, for example, as 9455625 + 45319824 = 3075^2 + 6732^2 .

It is not a de Polignac number, because 54775449 - 25 = 54775417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54770449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13077 + ... + 16749.

Almost surely, 254775449 is an apocalyptic number.

It is an amenable number.

54775449 is a deficient number, since it is larger than the sum of its proper divisors (24413947).

54775449 is a wasteful number, since it uses less digits than its factorization.

54775449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5333 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 54775449 is about 7401.0437777384. The cubic root of 54775449 is about 379.7769905707.

The spelling of 54775449 in words is "fifty-four million, seven hundred seventy-five thousand, four hundred forty-nine".

Divisors: 1 3 9 1657 3673 4971 11019 14913 33057 6086161 18258483 54775449