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55450169441 = 177941288287
BaseRepresentation
bin110011101001000101…
…100111000001100001
312022010102021110120022
4303221011213001201
51402030220410231
641250133323225
74002051443402
oct635105470141
9168112243508
1055450169441
11215751a2017
12a8b6196515
1352c8c57464
1429804d59a9
1516980bec7b
hexce9167061

55450169441 has 8 divisors (see below), whose sum is σ = 59455134720. Its totient is φ = 51527780928.

The previous prime is 55450169429. The next prime is 55450169477. The reversal of 55450169441 is 14496105455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55450169441 is a prime.

It is a super-2 number, since 2×554501694412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55450169392 and 55450169401.

It is not an unprimeable number, because it can be changed into a prime (55450169041) 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, 20642801 + ... + 20645486.

It is an arithmetic number, because the mean of its divisors is an integer number (7431891840).

Almost surely, 255450169441 is an apocalyptic number.

It is an amenable number.

55450169441 is a deficient number, since it is larger than the sum of its proper divisors (4004965279).

55450169441 is a wasteful number, since it uses less digits than its factorization.

55450169441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41288383.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 55450169441 in words is "fifty-five billion, four hundred fifty million, one hundred sixty-nine thousand, four hundred forty-one".

Divisors: 1 17 79 1343 41288287 701900879 3261774673 55450169441