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54537971 = 280319457
BaseRepresentation
bin1101000000001…
…0111011110011
310210121211000212
43100002323303
5102430203341
65224534335
71231364555
oct320027363
9123554025
1054537971
1128870204
12163213ab
13b3b6ab7
1473594d5
154bc45eb
hex3402ef3

54537971 has 4 divisors (see below), whose sum is σ = 54560232. Its totient is φ = 54515712.

The previous prime is 54537947. The next prime is 54537979. The reversal of 54537971 is 17973545.

54537971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54537971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54537979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926 + ... + 12531.

It is an arithmetic number, because the mean of its divisors is an integer number (13640058).

Almost surely, 254537971 is an apocalyptic number.

54537971 is a deficient number, since it is larger than the sum of its proper divisors (22261).

54537971 is a wasteful number, since it uses less digits than its factorization.

54537971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260.

The product of its digits is 132300, while the sum is 41.

The square root of 54537971 is about 7384.9828029590. The cubic root of 54537971 is about 379.2273566635.

The spelling of 54537971 in words is "fifty-four million, five hundred thirty-seven thousand, nine hundred seventy-one".

Divisors: 1 2803 19457 54537971