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54915233 is a prime number
BaseRepresentation
bin1101000101111…
…1000010100001
310211022222112112
43101133002201
5103024241413
65241005105
71234525502
oct321370241
9124288475
1054915233
1128aa869a
1216483795
13b4b9729
147416ba9
154c4b2a8
hex345f0a1

54915233 has 2 divisors, whose sum is σ = 54915234. Its totient is φ = 54915232.

The previous prime is 54915221. The next prime is 54915247. The reversal of 54915233 is 33251945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 26697889 = 5312^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 54915233 - 218 = 54653089 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54915233.

It is not a weakly prime, because it can be changed into another prime (54915293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27457616 + 27457617.

It is an arithmetic number, because the mean of its divisors is an integer number (27457617).

Almost surely, 254915233 is an apocalyptic number.

It is an amenable number.

54915233 is a deficient number, since it is larger than the sum of its proper divisors (1).

54915233 is an equidigital number, since it uses as much as digits as its factorization.

54915233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 54915233 is about 7410.4812934114. The cubic root of 54915233 is about 380.0997729702.

The spelling of 54915233 in words is "fifty-four million, nine hundred fifteen thousand, two hundred thirty-three".