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55917194 = 2413891753
BaseRepresentation
bin1101010101001…
…1101010001010
310220012212222012
43111103222022
5103303322234
65314255522
71246200614
oct325235212
9126185865
1055917194
1129622463
12168875a2
13b77a7c8
1475d7db4
154d980ce
hex3553a8a

55917194 has 16 divisors (see below), whose sum is σ = 86191560. Its totient is φ = 27191040.

The previous prime is 55917193. The next prime is 55917203. The reversal of 55917194 is 49171955.

55917194 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 4 ways, for example, as 10530025 + 45387169 = 3245^2 + 6737^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (55917193) 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, 31022 + ... + 32774.

Almost surely, 255917194 is an apocalyptic number.

55917194 is a deficient number, since it is larger than the sum of its proper divisors (30274366).

55917194 is a wasteful number, since it uses less digits than its factorization.

55917194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its digits is 56700, while the sum is 41.

The square root of 55917194 is about 7477.7800181605. The cubic root of 55917194 is about 382.3975695080.

The spelling of 55917194 in words is "fifty-five million, nine hundred seventeen thousand, one hundred ninety-four".

Divisors: 1 2 41 82 389 778 1753 3506 15949 31898 71873 143746 681917 1363834 27958597 55917194