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55144177 = 112455737
BaseRepresentation
bin1101001001011…
…0111011110001
310211202121120221
43102112323301
5103104103202
65245533041
71236501124
oct322267361
9124677527
1055144177
1129144700
1216574181
13b5699ba
1474763bb
154c94037
hex3496ef1

55144177 has 6 divisors (see below), whose sum is σ = 60613154. Its totient is φ = 50130960.

The previous prime is 55144169. The next prime is 55144211. The reversal of 55144177 is 77144155.

It can be written as a sum of positive squares in only one way, i.e., 38489616 + 16654561 = 6204^2 + 4081^2 .

It is not a de Polignac number, because 55144177 - 23 = 55144169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55144147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227748 + ... + 227989.

Almost surely, 255144177 is an apocalyptic number.

It is an amenable number.

55144177 is a deficient number, since it is larger than the sum of its proper divisors (5468977).

55144177 is a wasteful number, since it uses less digits than its factorization.

55144177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455759 (or 455748 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 55144177 is about 7425.9125365170. The cubic root of 55144177 is about 380.6272581188.

The spelling of 55144177 in words is "fifty-five million, one hundred forty-four thousand, one hundred seventy-seven".

Divisors: 1 11 121 455737 5013107 55144177