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55051055001 = 3317119936939
BaseRepresentation
bin110011010001010011…
…000110111110011001
312021002121021100111000
4303101103012332121
51400221032230001
641142355055213
73656134150425
oct632123067631
9167077240430
1055051055001
112138a981478
12a8045a1509
135264365c77
1429434c1b85
151673033a86
hexcd14c6f99

55051055001 has 16 divisors (see below), whose sum is σ = 86354596800. Its totient is φ = 34541838144.

The previous prime is 55051054969. The next prime is 55051055023. The reversal of 55051055001 is 10055015055.

55051055001 is a `hidden beast` number, since 5 + 50 + 5 + 105 + 500 + 1 = 666.

It is not a de Polignac number, because 55051055001 - 25 = 55051054969 is a prime.

It is a super-2 number, since 2×550510550012 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55051055071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59968011 + ... + 59968928.

It is an arithmetic number, because the mean of its divisors is an integer number (5397162300).

Almost surely, 255051055001 is an apocalyptic number.

55051055001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55051055001 is a deficient number, since it is larger than the sum of its proper divisors (31303541799).

55051055001 is a wasteful number, since it uses less digits than its factorization.

55051055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119936965 (or 119936959 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 55051055001 in words is "fifty-five billion, fifty-one million, fifty-five thousand, one".

Divisors: 1 3 9 17 27 51 153 459 119936939 359810817 1079432451 2038927963 3238297353 6116783889 18350351667 55051055001