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55050203 = 1331136601
BaseRepresentation
bin1101000111111…
…1111111011011
310211120211200102
43101333333123
5103043101303
65243530015
71235630135
oct321777733
9124524612
1055050203
112909003a
121652990b
13b535cb0
147450055
154c76288
hex347ffdb

55050203 has 8 divisors (see below), whose sum is σ = 61197696. Its totient is φ = 49176000.

The previous prime is 55050143. The next prime is 55050209. The reversal of 55050203 is 30205055.

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 55050203 - 26 = 55050139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050209) 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, 67898 + ... + 68703.

It is an arithmetic number, because the mean of its divisors is an integer number (7649712).

Almost surely, 255050203 is an apocalyptic number.

55050203 is a deficient number, since it is larger than the sum of its proper divisors (6147493).

55050203 is a wasteful number, since it uses less digits than its factorization.

55050203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136645.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55050203 is about 7419.5824006476. The cubic root of 55050203 is about 380.4109197504.

Adding to 55050203 its reverse (30205055), we get a palindrome (85255258).

The spelling of 55050203 in words is "fifty-five million, fifty thousand, two hundred three".

Divisors: 1 13 31 403 136601 1775813 4234631 55050203