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55641342 = 2331299147
BaseRepresentation
bin1101010001000…
…0010011111110
310212200212120110
43110100103332
5103221010332
65304330450
71243641441
oct324202376
9125625513
1055641342
1129454189
1216773a26
13b6b2093
147565658
154d414cc
hex35104fe

55641342 has 16 divisors (see below), whose sum is σ = 114872832. Its totient is φ = 17948760.

The previous prime is 55641331. The next prime is 55641349. The reversal of 55641342 is 24314655.

55641342 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 (55641349) 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 7 ways as a sum of consecutive naturals, for example, 149388 + ... + 149759.

It is an arithmetic number, because the mean of its divisors is an integer number (7179552).

Almost surely, 255641342 is an apocalyptic number.

55641342 is an abundant number, since it is smaller than the sum of its proper divisors (59231490).

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

55641342 is a wasteful number, since it uses less digits than its factorization.

55641342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299183.

The product of its digits is 14400, while the sum is 30.

The square root of 55641342 is about 7459.3124348026. The cubic root of 55641342 is about 381.7677151089.

Adding to 55641342 its reverse (24314655), we get a palindrome (79955997).

The spelling of 55641342 in words is "fifty-five million, six hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 299147 598294 897441 1794882 9273557 18547114 27820671 55641342