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54252557 is a prime number
BaseRepresentation
bin1100111011110…
…1010000001101
310210002022111222
43032331100031
5102342040212
65214453125
71226065502
oct316752015
9123068458
1054252557
1128695827
12162041a5
13b316c08
1472c34a9
154b69c72
hex33bd40d

54252557 has 2 divisors, whose sum is σ = 54252558. Its totient is φ = 54252556.

The previous prime is 54252547. The next prime is 54252563. The reversal of 54252557 is 75525245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40309801 + 13942756 = 6349^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 54252557 - 214 = 54236173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54252547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27126278 + 27126279.

It is an arithmetic number, because the mean of its divisors is an integer number (27126279).

Almost surely, 254252557 is an apocalyptic number.

It is an amenable number.

54252557 is a deficient number, since it is larger than the sum of its proper divisors (1).

54252557 is an equidigital number, since it uses as much as digits as its factorization.

54252557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70000, while the sum is 35.

The square root of 54252557 is about 7365.6335097533. The cubic root of 54252557 is about 378.5646614329.

The spelling of 54252557 in words is "fifty-four million, two hundred fifty-two thousand, five hundred fifty-seven".