Search a number
-
+
55154171 = 174769029
BaseRepresentation
bin1101001001100…
…1010111111011
310211210010022002
43102121113323
5103104413141
65250051215
71236542222
oct322312773
9124703262
1055154171
1129151166
1216579b0b
13b571407
147479cb9
154c96e9b
hex34995fb

55154171 has 8 divisors (see below), whose sum is σ = 59641920. Its totient is φ = 50804608.

The previous prime is 55154167. The next prime is 55154173. The reversal of 55154171 is 17145155.

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 55154171 - 22 = 55154167 is a prime.

It is a super-3 number, since 3×551541713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55154173) 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, 33716 + ... + 35313.

It is an arithmetic number, because the mean of its divisors is an integer number (7455240).

Almost surely, 255154171 is an apocalyptic number.

55154171 is a deficient number, since it is larger than the sum of its proper divisors (4487749).

55154171 is a wasteful number, since it uses less digits than its factorization.

55154171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69093.

The product of its digits is 3500, while the sum is 29.

The square root of 55154171 is about 7426.5854199625. The cubic root of 55154171 is about 380.6502509305.

The spelling of 55154171 in words is "fifty-five million, one hundred fifty-four thousand, one hundred seventy-one".

Divisors: 1 17 47 799 69029 1173493 3244363 55154171