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54533449 = 375327809
BaseRepresentation
bin1101000000000…
…1110101001001
310210121120211101
43100001311021
5102430032244
65224501401
71231345435
oct320016511
9123546741
1054533449
1128867873
121631a861
13b3b4a19
1473579c5
154bc30d4
hex3401d49

54533449 has 8 divisors (see below), whose sum is σ = 57066120. Its totient is φ = 52056576.

The previous prime is 54533447. The next prime is 54533459. The reversal of 54533449 is 94433545.

It can be written as a sum of positive squares in 4 ways, for example, as 30327049 + 24206400 = 5507^2 + 4920^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54533449 - 21 = 54533447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54533447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11944 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (7133265).

Almost surely, 254533449 is an apocalyptic number.

It is an amenable number.

54533449 is a deficient number, since it is larger than the sum of its proper divisors (2532671).

54533449 is a wasteful number, since it uses less digits than its factorization.

54533449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27899.

The product of its digits is 129600, while the sum is 37.

The square root of 54533449 is about 7384.6766347620. The cubic root of 54533449 is about 379.2168751985.

The spelling of 54533449 in words is "fifty-four million, five hundred thirty-three thousand, four hundred forty-nine".

Divisors: 1 37 53 1961 27809 1028933 1473877 54533449