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55101006 = 2331020389
BaseRepresentation
bin1101001000110…
…0011001001110
310211200102101000
43102030121032
5103101213011
65245001130
71236231222
oct322143116
9124612330
1055101006
1129115224
12165531a6
13b55315c
147464782
154c86356
hex348c64e

55101006 has 16 divisors (see below), whose sum is σ = 122446800. Its totient is φ = 18366984.

The previous prime is 55100993. The next prime is 55101023. The reversal of 55101006 is 60010155.

It is a super-2 number, since 2×551010062 = 6072241724424072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510141 + ... + 510248.

It is an arithmetic number, because the mean of its divisors is an integer number (7652925).

Almost surely, 255101006 is an apocalyptic number.

55101006 is an abundant number, since it is smaller than the sum of its proper divisors (67345794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55101006 is a wasteful number, since it uses less digits than its factorization.

55101006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020400 (or 1020394 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 55101006 is about 7423.0051865804. The cubic root of 55101006 is about 380.5279043266.

The spelling of 55101006 in words is "fifty-five million, one hundred one thousand, six".

Divisors: 1 2 3 6 9 18 27 54 1020389 2040778 3061167 6122334 9183501 18367002 27550503 55101006