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54457253 = 88161813
BaseRepresentation
bin1100111110111…
…1001110100101
310210110201022022
43033233032211
5102420113003
65223112525
71230610334
oct317571645
9123421268
1054457253
11288155a4
12162a2745
13b389136
147337d1b
154baa738
hex33ef3a5

54457253 has 4 divisors (see below), whose sum is σ = 54519948. Its totient is φ = 54394560.

The previous prime is 54457241. The next prime is 54457267. The reversal of 54457253 is 35275445.

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 26399044 + 28058209 = 5138^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 54457253 - 26 = 54457189 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 (54457223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30026 + ... + 31787.

It is an arithmetic number, because the mean of its divisors is an integer number (13629987).

Almost surely, 254457253 is an apocalyptic number.

It is an amenable number.

54457253 is a deficient number, since it is larger than the sum of its proper divisors (62695).

54457253 is an equidigital number, since it uses as much as digits as its factorization.

54457253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62694.

The product of its digits is 84000, while the sum is 35.

The square root of 54457253 is about 7379.5157700218. The cubic root of 54457253 is about 379.0401746131.

The spelling of 54457253 in words is "fifty-four million, four hundred fifty-seven thousand, two hundred fifty-three".

Divisors: 1 881 61813 54457253