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55740833 = 371506509
BaseRepresentation
bin1101010010100…
…0100110100001
310212212221001022
43110220212201
5103232201313
65310415225
71244534501
oct324504641
9125787038
1055740833
1129511a05
1216801515
13b718455
14758da01
154d60c08
hex35289a1

55740833 has 4 divisors (see below), whose sum is σ = 57247380. Its totient is φ = 54234288.

The previous prime is 55740803. The next prime is 55740859. The reversal of 55740833 is 33804755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52085089 + 3655744 = 7217^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 55740833 - 222 = 51546529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55740793 and 55740802.

It is not an unprimeable number, because it can be changed into a prime (55740803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753218 + ... + 753291.

It is an arithmetic number, because the mean of its divisors is an integer number (14311845).

Almost surely, 255740833 is an apocalyptic number.

It is an amenable number.

55740833 is a deficient number, since it is larger than the sum of its proper divisors (1506547).

55740833 is a wasteful number, since it uses less digits than its factorization.

55740833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506546.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55740833 is about 7465.9783685730. The cubic root of 55740833 is about 381.9951229698.

The spelling of 55740833 in words is "fifty-five million, seven hundred forty thousand, eight hundred thirty-three".

Divisors: 1 37 1506509 55740833