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54032557 is a prime number
BaseRepresentation
bin1100111000011…
…1100010101101
310202200010201211
43032013202231
5102313020212
65210034421
71224161215
oct316074255
9122603654
1054032557
1128555507
1216118a11
13b26aa37
147267245
154b249a7
hex33878ad

54032557 has 2 divisors, whose sum is σ = 54032558. Its totient is φ = 54032556.

The previous prime is 54032551. The next prime is 54032567. The reversal of 54032557 is 75523045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52911076 + 1121481 = 7274^2 + 1059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54032557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54032551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27016278 + 27016279.

It is an arithmetic number, because the mean of its divisors is an integer number (27016279).

Almost surely, 254032557 is an apocalyptic number.

It is an amenable number.

54032557 is a deficient number, since it is larger than the sum of its proper divisors (1).

54032557 is an equidigital number, since it uses as much as digits as its factorization.

54032557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 54032557 is about 7350.6841178220. The cubic root of 54032557 is about 378.0522612810.

The spelling of 54032557 in words is "fifty-four million, thirty-two thousand, five hundred fifty-seven".