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55726908 = 2234643909
BaseRepresentation
bin1101010010010…
…1001100111100
310212212012221120
43110211030330
5103231230113
65310230540
71244446056
oct324451474
9125765846
1055726908
11295024a6
12167b5450
13b712003
1475888d6
154d5ba23
hex352533c

55726908 has 12 divisors (see below), whose sum is σ = 130029480. Its totient is φ = 18575632.

The previous prime is 55726889. The next prime is 55726919. The reversal of 55726908 is 80962755.

55726908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55726908.

It is a congruent number.

It is an unprimeable number.

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, 2321943 + ... + 2321966.

It is an arithmetic number, because the mean of its divisors is an integer number (10835790).

Almost surely, 255726908 is an apocalyptic number.

It is an amenable number.

55726908 is an abundant number, since it is smaller than the sum of its proper divisors (74302572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55726908 is a wasteful number, since it uses less digits than its factorization.

55726908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643916 (or 4643914 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 55726908 is about 7465.0457466783. The cubic root of 55726908 is about 381.9633107129.

The spelling of 55726908 in words is "fifty-five million, seven hundred twenty-six thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 4643909 9287818 13931727 18575636 27863454 55726908