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55043203 = 539771063
BaseRepresentation
bin1101000111111…
…0010010000011
310211120111002011
43101332102003
5103042340303
65243433351
71235600545
oct321762203
9124514064
1055043203
1129085856
1216525857
13b532a57
14744b695
154c7416d
hex347e483

55043203 has 8 divisors (see below), whose sum is σ = 56191968. Its totient is φ = 53898624.

The previous prime is 55043173. The next prime is 55043213. The reversal of 55043203 is 30234055.

55043203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55043203 - 221 = 52946051 is a prime.

It is a super-4 number, since 4×550432034 (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55043213) 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, 51250 + ... + 52312.

It is an arithmetic number, because the mean of its divisors is an integer number (7023996).

Almost surely, 255043203 is an apocalyptic number.

55043203 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55043203 is a deficient number, since it is larger than the sum of its proper divisors (1148765).

55043203 is a wasteful number, since it uses less digits than its factorization.

55043203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 55043203 is about 7419.1106609890. The cubic root of 55043203 is about 380.3947951395.

Adding to 55043203 its reverse (30234055), we get a palindrome (85277258).

The spelling of 55043203 in words is "fifty-five million, forty-three thousand, two hundred three".

Divisors: 1 53 977 1063 51781 56339 1038551 55043203