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54539893 = 179193491
BaseRepresentation
bin1101000000001…
…1011001110101
310210121220200001
43100003121311
5102430234033
65224551301
71231403302
oct320033165
9123556601
1054539893
11288716a1
1216322531
13b3b7935
14735a0a9
154bc4e7d
hex3403675

54539893 has 8 divisors (see below), whose sum is σ = 57827520. Its totient is φ = 51261120.

The previous prime is 54539879. The next prime is 54539897. The reversal of 54539893 is 39893545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54539893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54539897) 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, 13878 + ... + 17368.

It is an arithmetic number, because the mean of its divisors is an integer number (7228440).

Almost surely, 254539893 is an apocalyptic number.

It is an amenable number.

54539893 is a deficient number, since it is larger than the sum of its proper divisors (3287627).

54539893 is a wasteful number, since it uses less digits than its factorization.

54539893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427.

The product of its digits is 583200, while the sum is 46.

The square root of 54539893 is about 7385.1129307547. The cubic root of 54539893 is about 379.2318114584.

The spelling of 54539893 in words is "fifty-four million, five hundred thirty-nine thousand, eight hundred ninety-three".

Divisors: 1 17 919 3491 15623 59347 3208229 54539893