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55005333 = 371258241
BaseRepresentation
bin1101000111010…
…1000010010101
310211111120010120
43101311002111
5103040132313
65242542153
71235352255
oct321650225
9124446116
1055005333
112905a359
1216507959
13b51b746
14743b965
154c67d23
hex3475095

55005333 has 8 divisors (see below), whose sum is σ = 74373696. Its totient is φ = 36153600.

The previous prime is 55005317. The next prime is 55005337. The reversal of 55005333 is 33350055.

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

It is not a de Polignac number, because 55005333 - 24 = 55005317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005337) 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, 128908 + ... + 129333.

It is an arithmetic number, because the mean of its divisors is an integer number (9296712).

Almost surely, 255005333 is an apocalyptic number.

It is an amenable number.

55005333 is a deficient number, since it is larger than the sum of its proper divisors (19368363).

55005333 is a wasteful number, since it uses less digits than its factorization.

55005333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258315.

The product of its (nonzero) digits is 3375, while the sum is 24.

The square root of 55005333 is about 7416.5580291669. The cubic root of 55005333 is about 380.3075372822.

Adding to 55005333 its reverse (33350055), we get a palindrome (88355388).

The spelling of 55005333 in words is "fifty-five million, five thousand, three hundred thirty-three".

Divisors: 1 3 71 213 258241 774723 18335111 55005333