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55756137 = 322698191
BaseRepresentation
bin1101010010110…
…0010101101001
310212220201001010
43110230111221
5103233144022
65311014133
71244630223
oct324542551
9125821033
1055756137
1129522458
121680a349
13b7223c8
147595413
154d6550c
hex352c569

55756137 has 8 divisors (see below), whose sum is σ = 74383360. Its totient is φ = 37149840.

The previous prime is 55756133. The next prime is 55756153. The reversal of 55756137 is 73165755.

It is a happy number.

55756137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55756137 - 22 = 55756133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55756095 and 55756104.

It is not an unprimeable number, because it can be changed into a prime (55756133) 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 7 ways as a sum of consecutive naturals, for example, 2712 + ... + 10902.

It is an arithmetic number, because the mean of its divisors is an integer number (9297920).

Almost surely, 255756137 is an apocalyptic number.

It is an amenable number.

55756137 is a deficient number, since it is larger than the sum of its proper divisors (18627223).

55756137 is a wasteful number, since it uses less digits than its factorization.

55756137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its digits is 110250, while the sum is 39.

The square root of 55756137 is about 7467.0032141415. The cubic root of 55756137 is about 382.0300795005.

The spelling of 55756137 in words is "fifty-five million, seven hundred fifty-six thousand, one hundred thirty-seven".

Divisors: 1 3 2269 6807 8191 24573 18585379 55756137