Search a number
-
+
55028755418 = 27132291320331
BaseRepresentation
bin110011001111111110…
…000010101111011010
312021001001022102012112
4303033332002233122
51400144330133133
641140241112322
73655443463160
oct631776025732
9167031272175
1055028755418
112137933046a
12a7b90286a2
13525c858c50
142940559230
1516710cb648
hexccff82bda

55028755418 has 32 divisors (see below), whose sum is σ = 102035256960. Its totient is φ = 21674537280.

The previous prime is 55028755393. The next prime is 55028755427. The reversal of 55028755418 is 81455782055.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618488 + ... + 701843.

It is an arithmetic number, because the mean of its divisors is an integer number (3188601780).

Almost surely, 255028755418 is an apocalyptic number.

55028755418 is a deficient number, since it is larger than the sum of its proper divisors (47006501542).

55028755418 is a wasteful number, since it uses less digits than its factorization.

55028755418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320582.

The product of its (nonzero) digits is 2240000, while the sum is 50.

The spelling of 55028755418 in words is "fifty-five billion, twenty-eight million, seven hundred fifty-five thousand, four hundred eighteen".

Divisors: 1 2 7 13 14 26 91 182 229 458 1603 2977 3206 5954 20839 41678 1320331 2640662 9242317 17164303 18484634 34328606 120150121 240300242 302355799 604711598 2116490593 3930625387 4232981186 7861250774 27514377709 55028755418