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54505454 = 227252727
BaseRepresentation
bin1100111111101…
…0111111101110
310210120011102112
43033322333232
5102423133304
65224124022
71231201013
oct317727756
9123504375
1054505454
1128848833
1216306612
13b3a5063
14734b70a
154bb9b6e
hex33fafee

54505454 has 4 divisors (see below), whose sum is σ = 81758184. Its totient is φ = 27252726.

The previous prime is 54505453. The next prime is 54505459. The reversal of 54505454 is 45450545.

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

It is a super-2 number, since 2×545054542 = 5941689031492232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54505454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54505453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13626362 + ... + 13626365.

It is an arithmetic number, because the mean of its divisors is an integer number (20439546).

Almost surely, 254505454 is an apocalyptic number.

54505454 is a deficient number, since it is larger than the sum of its proper divisors (27252730).

54505454 is a wasteful number, since it uses less digits than its factorization.

54505454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27252729.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 54505454 is about 7382.7809123663. The cubic root of 54505454 is about 379.1519731751.

Adding to 54505454 its reverse (45450545), we get a palindrome (99955999).

The spelling of 54505454 in words is "fifty-four million, five hundred five thousand, four hundred fifty-four".

Divisors: 1 2 27252727 54505454