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55652069 = 116182939
BaseRepresentation
bin1101010001001…
…0111011100101
310212201102021202
43110102323211
5103221331234
65304452245
71244014634
oct324227345
9125642252
1055652069
1129461250
121677a085
13b6b6c25
14756951b
154d4477e
hex3512ee5

55652069 has 8 divisors (see below), whose sum is σ = 61707360. Its totient is φ = 49762800.

The previous prime is 55652063. The next prime is 55652071. The reversal of 55652069 is 96025655.

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 55652069 - 24 = 55652053 is a prime.

It is a super-2 number, since 2×556520692 = 6194305567961522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55652063) 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, 40799 + ... + 42140.

It is an arithmetic number, because the mean of its divisors is an integer number (7713420).

Almost surely, 255652069 is an apocalyptic number.

It is an amenable number.

55652069 is a deficient number, since it is larger than the sum of its proper divisors (6055291).

55652069 is a wasteful number, since it uses less digits than its factorization.

55652069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83011.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 55652069 is about 7460.0314342501. The cubic root of 55652069 is about 381.7922469827.

It can be divided in two parts, 556 and 52069, that added together give a palindrome (52625).

The spelling of 55652069 in words is "fifty-five million, six hundred fifty-two thousand, sixty-nine".

Divisors: 1 11 61 671 82939 912329 5059279 55652069