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55092201 = 318364067
BaseRepresentation
bin1101001000101…
…0001111101001
310211122222021220
43102022033221
5103100422301
65244452253
71236163443
oct322121751
9124588256
1055092201
112910964a
121654a089
13b54c148
147461493
154c83936
hex348a3e9

55092201 has 4 divisors (see below), whose sum is σ = 73456272. Its totient is φ = 36728132.

The previous prime is 55092179. The next prime is 55092203. The reversal of 55092201 is 10229055.

55092201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55092201 - 26 = 55092137 is a prime.

It is a super-2 number, since 2×550922012 = 6070301222048802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55092203) 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 in 3 ways as a sum of consecutive naturals, for example, 9182031 + ... + 9182036.

It is an arithmetic number, because the mean of its divisors is an integer number (18364068).

Almost surely, 255092201 is an apocalyptic number.

It is an amenable number.

55092201 is a deficient number, since it is larger than the sum of its proper divisors (18364071).

55092201 is a wasteful number, since it uses less digits than its factorization.

55092201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18364070.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 55092201 is about 7422.4120742519. The cubic root of 55092201 is about 380.5076341179.

The spelling of 55092201 in words is "fifty-five million, ninety-two thousand, two hundred one".

Divisors: 1 3 18364067 55092201