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55132542 = 2331020973
BaseRepresentation
bin1101001001010…
…0000101111110
310211202000122000
43102110011332
5103103220132
65245403130
71236422163
oct322240576
9124660560
1055132542
1129136993
12165694a6
13b56460a
14747206a
154c9087c
hex349417e

55132542 has 16 divisors (see below), whose sum is σ = 122516880. Its totient is φ = 18377496.

The previous prime is 55132531. The next prime is 55132603. The reversal of 55132542 is 24523155.

It is a happy number.

55132542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 510433 + ... + 510540.

It is an arithmetic number, because the mean of its divisors is an integer number (7657305).

Almost surely, 255132542 is an apocalyptic number.

55132542 is an abundant number, since it is smaller than the sum of its proper divisors (67384338).

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

55132542 is a wasteful number, since it uses less digits than its factorization.

55132542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020984 (or 1020978 counting only the distinct ones).

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

The square root of 55132542 is about 7425.1290897869. The cubic root of 55132542 is about 380.6004864215.

Adding to 55132542 its reverse (24523155), we get a palindrome (79655697).

The spelling of 55132542 in words is "fifty-five million, one hundred thirty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 1020973 2041946 3062919 6125838 9188757 18377514 27566271 55132542