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55718733 = 372379039
BaseRepresentation
bin1101010010001…
…1001101001101
310212211210201210
43110203031031
5103230444413
65310125033
71244413200
oct324431515
9125753653
1055718733
11294a7344
12167b0779
13b70b385
147585937
154d593c3
hex352334d

55718733 has 12 divisors (see below), whose sum is σ = 86421120. Its totient is φ = 31839192.

The previous prime is 55718731. The next prime is 55718743. The reversal of 55718733 is 33781755.

55718733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55718733 - 21 = 55718731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55718691 and 55718700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55718731) 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 11 ways as a sum of consecutive naturals, for example, 189373 + ... + 189666.

It is an arithmetic number, because the mean of its divisors is an integer number (7201760).

Almost surely, 255718733 is an apocalyptic number.

It is an amenable number.

55718733 is a deficient number, since it is larger than the sum of its proper divisors (30702387).

55718733 is a wasteful number, since it uses less digits than its factorization.

55718733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379056 (or 379049 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55718733 is about 7464.4981746933. The cubic root of 55718733 is about 381.9446321076.

The spelling of 55718733 in words is "fifty-five million, seven hundred eighteen thousand, seven hundred thirty-three".

Divisors: 1 3 7 21 49 147 379039 1137117 2653273 7959819 18572911 55718733