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55428841 = 1314392963
BaseRepresentation
bin1101001101110…
…0011011101001
310212022002002001
43103130123221
5103142210331
65300011001
71242065056
oct323343351
9125262061
1055428841
1129319566
1216690a61
13b639440
14750c02d
154ced561
hex34dc6e9

55428841 has 8 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 51112272.

The previous prime is 55428829. The next prime is 55428847. The reversal of 55428841 is 14882455.

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

It is a cyclic number.

It is not a de Polignac number, because 55428841 - 213 = 55420649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55428841.

It is not an unprimeable number, because it can be changed into a prime (55428847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17226 + ... + 20188.

It is an arithmetic number, because the mean of its divisors is an integer number (7469280).

Almost surely, 255428841 is an apocalyptic number.

It is an amenable number.

55428841 is a deficient number, since it is larger than the sum of its proper divisors (4325399).

55428841 is a wasteful number, since it uses less digits than its factorization.

55428841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its digits is 51200, while the sum is 37.

The square root of 55428841 is about 7445.0548016788. The cubic root of 55428841 is about 381.2810894292.

The spelling of 55428841 in words is "fifty-five million, four hundred twenty-eight thousand, eight hundred forty-one".

Divisors: 1 13 1439 2963 18707 38519 4263757 55428841