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55150043 = 1341103471
BaseRepresentation
bin1101001001100…
…0010111011011
310211202220122012
43102120113123
5103104300133
65250020135
71236524204
oct322302733
9124686565
1055150043
1129149053
121657764b
13b56c580
1474785ab
154c95b48
hex34985db

55150043 has 8 divisors (see below), whose sum is σ = 60841536. Its totient is φ = 49665600.

The previous prime is 55150033. The next prime is 55150061. The reversal of 55150043 is 34005155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55150043 - 210 = 55149019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55150013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51203 + ... + 52268.

It is an arithmetic number, because the mean of its divisors is an integer number (7605192).

Almost surely, 255150043 is an apocalyptic number.

55150043 is a deficient number, since it is larger than the sum of its proper divisors (5691493).

55150043 is a wasteful number, since it uses less digits than its factorization.

55150043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103525.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55150043 is about 7426.3074943070. The cubic root of 55150043 is about 380.6407541363.

Adding to 55150043 its reverse (34005155), we get a palindrome (89155198).

The spelling of 55150043 in words is "fifty-five million, one hundred fifty thousand, forty-three".

Divisors: 1 13 41 533 103471 1345123 4242311 55150043