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55360829 is a prime number
BaseRepresentation
bin1101001100101…
…1110100111101
310212011121210002
43103023310331
5103133021304
65254324045
71241362556
oct323136475
9125147702
1055360829
1129282457
1216659625
13b6144b4
1474d132d
154cd831e
hex34cbd3d

55360829 has 2 divisors, whose sum is σ = 55360830. Its totient is φ = 55360828.

The previous prime is 55360817. The next prime is 55360859. The reversal of 55360829 is 92806355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 10067929 = 6730^2 + 3173^2 .

It is a cyclic number.

It is not a de Polignac number, because 55360829 - 28 = 55360573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55360792 and 55360801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55360859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27680414 + 27680415.

It is an arithmetic number, because the mean of its divisors is an integer number (27680415).

Almost surely, 255360829 is an apocalyptic number.

It is an amenable number.

55360829 is a deficient number, since it is larger than the sum of its proper divisors (1).

55360829 is an equidigital number, since it uses as much as digits as its factorization.

55360829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 55360829 is about 7440.4858040319. The cubic root of 55360829 is about 381.1250797755.

The spelling of 55360829 in words is "fifty-five million, three hundred sixty thousand, eight hundred twenty-nine".