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55510550601 = 3112152921627
BaseRepresentation
bin110011101100101011…
…111100100001001001
312022021121220010221120
4303230223330201021
51402141200104401
641300131425453
74003413615642
oct635453744111
9168247803846
1055510550601
11215a6293300
12a912455289
135308608a5c
1429885326c9
15169d54a836
hexcecafc849

55510550601 has 12 divisors (see below), whose sum is σ = 81354306096. Its totient is φ = 33642757720.

The previous prime is 55510550567. The next prime is 55510550603. The reversal of 55510550601 is 10605501555.

It is not a de Polignac number, because 55510550601 - 214 = 55510534217 is a prime.

It is a super-2 number, since 2×555105506012 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55510550603) 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 11 ways as a sum of consecutive naturals, for example, 76460451 + ... + 76461176.

It is an arithmetic number, because the mean of its divisors is an integer number (6779525508).

Almost surely, 255510550601 is an apocalyptic number.

It is an amenable number.

55510550601 is a deficient number, since it is larger than the sum of its proper divisors (25843755495).

55510550601 is a wasteful number, since it uses less digits than its factorization.

55510550601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152921652 (or 152921641 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55510550601 in words is "fifty-five billion, five hundred ten million, five hundred fifty thousand, six hundred one".

Divisors: 1 3 11 33 121 363 152921627 458764881 1682137897 5046413691 18503516867 55510550601