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55153429 is a prime number
BaseRepresentation
bin1101001001100…
…1001100010101
310211210002021121
43102121030111
5103104402204
65250043541
71236540112
oct322311425
9124702247
1055153429
1129150651
12165795b1
13b570c86
147479909
154c96b54
hex3499315

55153429 has 2 divisors, whose sum is σ = 55153430. Its totient is φ = 55153428.

The previous prime is 55153411. The next prime is 55153453. The reversal of 55153429 is 92435155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 16589329 = 6210^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 55153429 - 221 = 53056277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55153394 and 55153403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55153459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27576714 + 27576715.

It is an arithmetic number, because the mean of its divisors is an integer number (27576715).

Almost surely, 255153429 is an apocalyptic number.

It is an amenable number.

55153429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55153429 is an equidigital number, since it uses as much as digits as its factorization.

55153429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 55153429 is about 7426.5354641313. The cubic root of 55153429 is about 380.6485439351.

The spelling of 55153429 in words is "fifty-five million, one hundred fifty-three thousand, four hundred twenty-nine".