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54972097 = 163733581
BaseRepresentation
bin1101000110110…
…0111011000001
310211102212112121
43101230323001
5103033101342
65242124241
71235153335
oct321547301
9124385477
1054972097
1129037394
12164b0681
13b50958b
14742d7c5
154c5d067
hex346cec1

54972097 has 4 divisors (see below), whose sum is σ = 55007316. Its totient is φ = 54936880.

The previous prime is 54972091. The next prime is 54972109. The reversal of 54972097 is 79027945.

54972097 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 can be written as a sum of positive squares in 2 ways, for example, as 817216 + 54154881 = 904^2 + 7359^2 .

It is a cyclic number.

It is not a de Polignac number, because 54972097 - 223 = 46583489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54972091) 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, 15154 + ... + 18427.

It is an arithmetic number, because the mean of its divisors is an integer number (13751829).

Almost surely, 254972097 is an apocalyptic number.

It is an amenable number.

54972097 is a deficient number, since it is larger than the sum of its proper divisors (35219).

54972097 is a wasteful number, since it uses less digits than its factorization.

54972097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35218.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 54972097 is about 7414.3170285604. The cubic root of 54972097 is about 380.2309238141.

The spelling of 54972097 in words is "fifty-four million, nine hundred seventy-two thousand, ninety-seven".

Divisors: 1 1637 33581 54972097