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55102953 = 337835981
BaseRepresentation
bin1101001000110…
…0110111101001
310211200112001010
43102030313221
5103101243303
65245014133
71236240003
oct322146751
9124615033
1055102953
1129116734
1216554349
13b553cc9
147465373
154c86c03
hex348cde9

55102953 has 16 divisors (see below), whose sum is σ = 76378176. Its totient is φ = 35305920.

The previous prime is 55102937. The next prime is 55102961. The reversal of 55102953 is 35920155.

It is not a de Polignac number, because 55102953 - 24 = 55102937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55102953.

It is not an unprimeable number, because it can be changed into a prime (55102913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6223 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (4773636).

Almost surely, 255102953 is an apocalyptic number.

It is an amenable number.

55102953 is a deficient number, since it is larger than the sum of its proper divisors (21275223).

55102953 is a wasteful number, since it uses less digits than its factorization.

55102953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 55102953 is about 7423.1363317671. The cubic root of 55102953 is about 380.5323862720.

The spelling of 55102953 in words is "fifty-five million, one hundred two thousand, nine hundred fifty-three".

Divisors: 1 3 37 83 111 249 3071 5981 9213 17943 221297 496423 663891 1489269 18367651 55102953