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55383193 is a prime number
BaseRepresentation
bin1101001101000…
…1010010011001
310212012202110101
43103101102121
5103134230233
65255015401
71241515015
oct323212231
9125182411
1055383193
1129298238
121666a561
13b621728
1474d9545
154cdec7d
hex34d1499

55383193 has 2 divisors, whose sum is σ = 55383194. Its totient is φ = 55383192.

The previous prime is 55383179. The next prime is 55383247. The reversal of 55383193 is 39138355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 6215049 = 7012^2 + 2493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55383193 is a prime.

It is not a weakly prime, because it can be changed into another prime (55383113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27691596 + 27691597.

It is an arithmetic number, because the mean of its divisors is an integer number (27691597).

Almost surely, 255383193 is an apocalyptic number.

It is an amenable number.

55383193 is a deficient number, since it is larger than the sum of its proper divisors (1).

55383193 is an equidigital number, since it uses as much as digits as its factorization.

55383193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 55383193 is about 7441.9885111440. The cubic root of 55383193 is about 381.1763936374.

The spelling of 55383193 in words is "fifty-five million, three hundred eighty-three thousand, one hundred ninety-three".