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54145054 = 227072527
BaseRepresentation
bin1100111010001…
…1000000011110
310202212212001101
43032203000132
5102330120204
65212303314
71225140205
oct316430036
9122785041
1054145054
1128621a87
1216171b3a
13b2a9cc2
14729623c
154b47ea4
hex33a301e

54145054 has 4 divisors (see below), whose sum is σ = 81217584. Its totient is φ = 27072526.

The previous prime is 54145043. The next prime is 54145057. The reversal of 54145054 is 45054145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45054145 = 59010829.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13536262 + ... + 13536265.

It is an arithmetic number, because the mean of its divisors is an integer number (20304396).

Almost surely, 254145054 is an apocalyptic number.

54145054 is a deficient number, since it is larger than the sum of its proper divisors (27072530).

54145054 is a wasteful number, since it uses less digits than its factorization.

54145054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27072529.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 54145054 is about 7358.3322838806. The cubic root of 54145054 is about 378.3144505099.

Adding to 54145054 its reverse (45054145), we get a palindrome (99199199).

Subtracting from 54145054 its reverse (45054145), we obtain a palindrome (9090909).

The spelling of 54145054 in words is "fifty-four million, one hundred forty-five thousand, fifty-four".

Divisors: 1 2 27072527 54145054