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55080858 = 2371311449
BaseRepresentation
bin1101001000011…
…1011110011010
310211122101201210
43102013132122
5103100041413
65244323550
71236115410
oct322073632
9124571653
1055080858
1129101078
12165435b6
13b546c31
14745b2b0
154c803c3
hex348779a

55080858 has 16 divisors (see below), whose sum is σ = 125899200. Its totient is φ = 15737376.

The previous prime is 55080847. The next prime is 55080859. The reversal of 55080858 is 85808055.

It is not an unprimeable number, because it can be changed into a prime (55080859) 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, 655683 + ... + 655766.

It is an arithmetic number, because the mean of its divisors is an integer number (7868700).

Almost surely, 255080858 is an apocalyptic number.

55080858 is an abundant number, since it is smaller than the sum of its proper divisors (70818342).

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

55080858 is a wasteful number, since it uses less digits than its factorization.

55080858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311461.

The product of its (nonzero) digits is 64000, while the sum is 39.

The square root of 55080858 is about 7421.6479302106. The cubic root of 55080858 is about 380.4815179328.

The spelling of 55080858 in words is "fifty-five million, eighty thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 1311449 2622898 3934347 7868694 9180143 18360286 27540429 55080858