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55437601 is a prime number
BaseRepresentation
bin1101001101111…
…0100100100001
310212022112002111
43103132210201
5103143000401
65300115321
71242132442
oct323364441
9125275074
1055437601
11293250aa
1216695b41
13b64041b
1475112c9
154d00e51
hex34de921

55437601 has 2 divisors, whose sum is σ = 55437602. Its totient is φ = 55437600.

The previous prime is 55437541. The next prime is 55437631. The reversal of 55437601 is 10673455.

55437601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48986001 + 6451600 = 6999^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 55437601 - 211 = 55435553 is a prime.

It is not a weakly prime, because it can be changed into another prime (55437631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27718800 + 27718801.

It is an arithmetic number, because the mean of its divisors is an integer number (27718801).

Almost surely, 255437601 is an apocalyptic number.

It is an amenable number.

55437601 is a deficient number, since it is larger than the sum of its proper divisors (1).

55437601 is an equidigital number, since it uses as much as digits as its factorization.

55437601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55437601 is about 7445.6430884108. The cubic root of 55437601 is about 381.3011743185.

The spelling of 55437601 in words is "fifty-five million, four hundred thirty-seven thousand, six hundred one".