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55632043 = 67830329
BaseRepresentation
bin1101010000111…
…0000010101011
310212200101211001
43110032002223
5103220211133
65304215431
71243602355
oct324160253
9125611731
1055632043
11294481a5
121676a577
13b6aaa8c
1475620d5
154d3d87d
hex350e0ab

55632043 has 4 divisors (see below), whose sum is σ = 56462440. Its totient is φ = 54801648.

The previous prime is 55631993. The next prime is 55632077. The reversal of 55632043 is 34023655.

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

It is a cyclic number.

It is not a de Polignac number, because 55632043 - 213 = 55623851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55636043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415098 + ... + 415231.

It is an arithmetic number, because the mean of its divisors is an integer number (14115610).

Almost surely, 255632043 is an apocalyptic number.

55632043 is a deficient number, since it is larger than the sum of its proper divisors (830397).

55632043 is an equidigital number, since it uses as much as digits as its factorization.

55632043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830396.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 55632043 is about 7458.6890939360. The cubic root of 55632043 is about 381.7464464165.

Adding to 55632043 its reverse (34023655), we get a palindrome (89655698).

The spelling of 55632043 in words is "fifty-five million, six hundred thirty-two thousand, forty-three".

Divisors: 1 67 830329 55632043