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55660910 = 255566091
BaseRepresentation
bin1101010001010…
…1000101101110
310212201212102012
43110111011232
5103222122120
65305001222
71244052464
oct324250556
9125655365
1055660910
1129467958
1216783212
13b6bac66
14756c834
154d471c5
hex351516e

55660910 has 8 divisors (see below), whose sum is σ = 100189656. Its totient is φ = 22264360.

The previous prime is 55660901. The next prime is 55660919. The reversal of 55660910 is 1906655.

55660910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55660901) and next prime (55660919).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783036 + ... + 2783055.

It is an arithmetic number, because the mean of its divisors is an integer number (12523707).

Almost surely, 255660910 is an apocalyptic number.

55660910 is a deficient number, since it is larger than the sum of its proper divisors (44528746).

55660910 is a wasteful number, since it uses less digits than its factorization.

55660910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566098.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 55660910 is about 7460.6239685431. The cubic root of 55660910 is about 381.8124633411.

The spelling of 55660910 in words is "fifty-five million, six hundred sixty thousand, nine hundred ten".

Divisors: 1 2 5 10 5566091 11132182 27830455 55660910