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55055060 = 22513192087
BaseRepresentation
bin1101001000000…
…1001011010100
310211121002100022
43102001023110
5103043230220
65244004312
71235650244
oct322011324
9124532308
1055055060
1129093755
1216530698
13b538278
147451b24
154c77925
hex34812d4

55055060 has 24 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 21994784.

The previous prime is 55055051. The next prime is 55055071. The reversal of 55055060 is 6055055.

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, 25337 + ... + 27423.

It is an arithmetic number, because the mean of its divisors is an integer number (4823280).

Almost surely, 255055060 is an apocalyptic number.

It is an amenable number.

55055060 is an abundant number, since it is smaller than the sum of its proper divisors (60703660).

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

55055060 is a wasteful number, since it uses less digits than its factorization.

55055060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55055060 is about 7419.9097029546. The cubic root of 55055060 is about 380.4221071236.

The spelling of 55055060 in words is "fifty-five million, fifty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 1319 2087 2638 4174 5276 6595 8348 10435 13190 20870 26380 41740 2752753 5505506 11011012 13763765 27527530 55055060