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55387876 = 2213846969
BaseRepresentation
bin1101001101001…
…0011011100100
310212012222212211
43103102123210
5103134403001
65255053204
71241534455
oct323223344
9125188784
1055387876
11292a0805
1216671204
13b6238bb
1474db12c
154ce1351
hex34d26e4

55387876 has 6 divisors (see below), whose sum is σ = 96928790. Its totient is φ = 27693936.

The previous prime is 55387861. The next prime is 55387877. The reversal of 55387876 is 67878355.

55387876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46566976 + 8820900 = 6824^2 + 2970^2 .

It is not an unprimeable number, because it can be changed into a prime (55387877) 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 as a sum of consecutive naturals, namely, 6923481 + ... + 6923488.

Almost surely, 255387876 is an apocalyptic number.

It is an amenable number.

55387876 is a deficient number, since it is larger than the sum of its proper divisors (41540914).

55387876 is a wasteful number, since it uses less digits than its factorization.

55387876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846973 (or 13846971 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 55387876 is about 7442.3031381421. The cubic root of 55387876 is about 381.1871369613.

The spelling of 55387876 in words is "fifty-five million, three hundred eighty-seven thousand, eight hundred seventy-six".

Divisors: 1 2 4 13846969 27693938 55387876