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55316044 = 2271975573
BaseRepresentation
bin1101001100000…
…0111001001100
310212002100100101
43103000321030
5103130103134
65253340444
71241115160
oct323007114
9125070311
1055316044
1129251843
1216637724
13b5c9cb4
1474bcca0
154cc9e14
hex34c0e4c

55316044 has 12 divisors (see below), whose sum is σ = 110632144. Its totient is φ = 23706864.

The previous prime is 55316033. The next prime is 55316077. The reversal of 55316044 is 44061355.

55316044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1975573 = 55316044 / (5 + 5 + 3 + 1 + 6 + 0 + 4 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987759 + ... + 987814.

Almost surely, 255316044 is an apocalyptic number.

It is an amenable number.

55316044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55316044 is a wasteful number, since it uses less digits than its factorization.

55316044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975584 (or 1975582 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55316044 is about 7437.4756470190. The cubic root of 55316044 is about 381.0222797047.

Adding to 55316044 its reverse (44061355), we get a palindrome (99377399).

The spelling of 55316044 in words is "fifty-five million, three hundred sixteen thousand, forty-four".

Divisors: 1 2 4 7 14 28 1975573 3951146 7902292 13829011 27658022 55316044