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55369171 = 1113387197
BaseRepresentation
bin1101001100110…
…1110111010011
310212012001020001
43103031313103
5103133303141
65254430431
71241426104
oct323156723
9125161201
1055369171
1129288750
1216662417
13b618230
1474d43ab
154cdaa31
hex34cddd3

55369171 has 8 divisors (see below), whose sum is σ = 65049264. Its totient is φ = 46463520.

The previous prime is 55369157. The next prime is 55369177. The reversal of 55369171 is 17196355.

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 55369171 - 215 = 55336403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55369171.

It is not an unprimeable number, because it can be changed into a prime (55369177) 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, 193456 + ... + 193741.

It is an arithmetic number, because the mean of its divisors is an integer number (8131158).

Almost surely, 255369171 is an apocalyptic number.

55369171 is a deficient number, since it is larger than the sum of its proper divisors (9680093).

55369171 is a wasteful number, since it uses less digits than its factorization.

55369171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387221.

The product of its digits is 28350, while the sum is 37.

The square root of 55369171 is about 7441.0463645915. The cubic root of 55369171 is about 381.1442219848.

The spelling of 55369171 in words is "fifty-five million, three hundred sixty-nine thousand, one hundred seventy-one".

Divisors: 1 11 13 143 387197 4259167 5033561 55369171