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55325142 = 2323199149
BaseRepresentation
bin1101001100001…
…1000111010110
310212002210211100
43103003013112
5103130401032
65253450530
71241153535
oct323030726
9125083740
1055325142
1129258664
1216640a46
13b601192
1474c231c
154ccc97c
hex34c31d6

55325142 has 24 divisors (see below), whose sum is σ = 123739200. Its totient is φ = 17846640.

The previous prime is 55325119. The next prime is 55325147. The reversal of 55325142 is 24152355.

It is a happy number.

55325142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325147) 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 11 ways as a sum of consecutive naturals, for example, 49017 + ... + 50132.

It is an arithmetic number, because the mean of its divisors is an integer number (5155800).

Almost surely, 255325142 is an apocalyptic number.

55325142 is an abundant number, since it is smaller than the sum of its proper divisors (68414058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55325142 is a wasteful number, since it uses less digits than its factorization.

55325142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99188 (or 99185 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55325142 is about 7438.0872541266. The cubic root of 55325142 is about 381.0431678618.

Adding to 55325142 its reverse (24152355), we get a palindrome (79477497).

The spelling of 55325142 in words is "fifty-five million, three hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 99149 198298 297447 594894 892341 1784682 3073619 6147238 9220857 18441714 27662571 55325142