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55368443 = 1318123531
BaseRepresentation
bin1101001100110…
…1101011111011
310212012000020002
43103031223323
5103133242233
65254423215
71241424014
oct323155373
9125160202
1055368443
1129288149
1216661b0b
13b617ac0
1474d400b
154cda6e8
hex34cdafb

55368443 has 8 divisors (see below), whose sum is σ = 59959536. Its totient is φ = 50824800.

The previous prime is 55368431. The next prime is 55368457. The reversal of 55368443 is 34486355.

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

It is not a de Polignac number, because 55368443 - 222 = 51174139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55368397 and 55368406.

It is not an unprimeable number, because it can be changed into a prime (55368463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9413 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (7494942).

Almost surely, 255368443 is an apocalyptic number.

55368443 is a deficient number, since it is larger than the sum of its proper divisors (4591093).

55368443 is a wasteful number, since it uses less digits than its factorization.

55368443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23725.

The product of its digits is 172800, while the sum is 38.

The square root of 55368443 is about 7440.9974465793. The cubic root of 55368443 is about 381.1425515353.

Adding to 55368443 its sum of digits (38), we get a square (55368481 = 74412).

The spelling of 55368443 in words is "fifty-five million, three hundred sixty-eight thousand, four hundred forty-three".

Divisors: 1 13 181 2353 23531 305903 4259111 55368443