Search a number
-
+
55250902378 = 276167965621
BaseRepresentation
bin110011011101001101…
…011101110101101010
312021121112022122112201
4303131031131311222
51401123212334003
641214254330414
73664111631020
oct633515356552
9167545278481
1055250902378
112148276a7a1
12a85b4b9a0a
135296898959
142961c64710
15168585cb1d
hexcdd35dd6a

55250902378 has 32 divisors (see below), whose sum is σ = 97705496448. Its totient is φ = 22943131200.

The previous prime is 55250902349. The next prime is 55250902379. The reversal of 55250902378 is 87320905255.

It is not an unprimeable number, because it can be changed into a prime (55250902379) 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, 425593 + ... + 540028.

It is an arithmetic number, because the mean of its divisors is an integer number (3053296764).

Almost surely, 255250902378 is an apocalyptic number.

55250902378 is a deficient number, since it is larger than the sum of its proper divisors (42454594070).

55250902378 is a wasteful number, since it uses less digits than its factorization.

55250902378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965758.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 55250902378 in words is "fifty-five billion, two hundred fifty million, nine hundred two thousand, three hundred seventy-eight".

Divisors: 1 2 7 14 61 67 122 134 427 469 854 938 4087 8174 28609 57218 965621 1931242 6759347 13518694 58902881 64696607 117805762 129393214 412320167 452876249 824640334 905752498 3946493027 7892986054 27625451189 55250902378