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55136255226 = 2313706875067
BaseRepresentation
bin110011010110011000…
…000111110011111010
312021022112120222012220
4303112120013303322
51400404340131401
641155041144510
73661220302533
oct632630076372
9167275528186
1055136255226
1121423a84688
12a82902b136
135278bc72c0
14295093d68a
15167a763336
hexcd6607cfa

55136255226 has 16 divisors (see below), whose sum is σ = 118755011424. Its totient is φ = 16965001584.

The previous prime is 55136255221. The next prime is 55136255243. The reversal of 55136255226 is 62255263155.

It is a super-2 number, since 2×551362552262 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55136255221) 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, 353437456 + ... + 353437611.

It is an arithmetic number, because the mean of its divisors is an integer number (7422188214).

Almost surely, 255136255226 is an apocalyptic number.

55136255226 is an abundant number, since it is smaller than the sum of its proper divisors (63618756198).

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

55136255226 is a wasteful number, since it uses less digits than its factorization.

55136255226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706875085.

The product of its digits is 540000, while the sum is 42.

The spelling of 55136255226 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 706875067 1413750134 2120625201 4241250402 9189375871 18378751742 27568127613 55136255226