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55882869 = 372661089
BaseRepresentation
bin1101010100101…
…1010001110101
310220011010212220
43111023101311
5103301222434
65313432553
71245665550
oct325132165
9126133786
1055882869
11295a9699
121686b759
13b767cb3
1475c9697
154d8cd49
hex354b475

55882869 has 8 divisors (see below), whose sum is σ = 85154880. Its totient is φ = 31933056.

The previous prime is 55882861. The next prime is 55882889. The reversal of 55882869 is 96828855.

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

It is not a de Polignac number, because 55882869 - 23 = 55882861 is a prime.

It is a super-2 number, since 2×558828692 = 6245790095342322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55882861) 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, 1330524 + ... + 1330565.

It is an arithmetic number, because the mean of its divisors is an integer number (10644360).

Almost surely, 255882869 is an apocalyptic number.

It is an amenable number.

55882869 is a deficient number, since it is larger than the sum of its proper divisors (29272011).

55882869 is a wasteful number, since it uses less digits than its factorization.

55882869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661099.

The product of its digits is 1382400, while the sum is 51.

The square root of 55882869 is about 7475.4845327912. The cubic root of 55882869 is about 382.3193080508.

The spelling of 55882869 in words is "fifty-five million, eight hundred eighty-two thousand, eight hundred sixty-nine".

Divisors: 1 3 7 21 2661089 7983267 18627623 55882869