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55033271 = 295573407
BaseRepresentation
bin1101000111101…
…1110110110111
310211112222110022
43101323312313
5103042031041
65243315355
71235526566
oct321736667
9124488408
1055033271
1129079347
121651bb5b
13b52b387
147447bdd
154c7124b
hex347bdb7

55033271 has 8 divisors (see below), whose sum is σ = 57049920. Its totient is φ = 53024608.

The previous prime is 55033261. The next prime is 55033283. The reversal of 55033271 is 17233055.

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 55033271 - 26 = 55033207 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 55033271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033211) 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, 14450 + ... + 17856.

It is an arithmetic number, because the mean of its divisors is an integer number (7131240).

Almost surely, 255033271 is an apocalyptic number.

55033271 is a deficient number, since it is larger than the sum of its proper divisors (2016649).

55033271 is a wasteful number, since it uses less digits than its factorization.

55033271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55033271 is about 7418.4412783279. The cubic root of 55033271 is about 380.3719142740.

The spelling of 55033271 in words is "fifty-five million, thirty-three thousand, two hundred seventy-one".

Divisors: 1 29 557 3407 16153 98803 1897699 55033271