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55454441 = 715750459
BaseRepresentation
bin1101001110001…
…0101011101001
310212100101012012
43103202223221
5103144020231
65300325305
71242232520
oct323425351
9125311165
1055454441
1129336819
12166a3835
13b647ca3
1475174b7
154d05e2b
hex34e2ae9

55454441 has 8 divisors (see below), whose sum is σ = 63781440. Its totient is φ = 47228688.

The previous prime is 55454431. The next prime is 55454461. The reversal of 55454441 is 14445455.

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

It is a cyclic number.

It is not a de Polignac number, because 55454441 - 214 = 55438057 is a prime.

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 = 55454398 and 55454407.

It is not an unprimeable number, because it can be changed into a prime (55454401) 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, 24131 + ... + 26328.

It is an arithmetic number, because the mean of its divisors is an integer number (7972680).

Almost surely, 255454441 is an apocalyptic number.

It is an amenable number.

55454441 is a deficient number, since it is larger than the sum of its proper divisors (8326999).

55454441 is a wasteful number, since it uses less digits than its factorization.

55454441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623.

The product of its digits is 32000, while the sum is 32.

The square root of 55454441 is about 7446.7738652386. The cubic root of 55454441 is about 381.3397790537.

Adding to 55454441 its reverse (14445455), we get a palindrome (69899896).

The spelling of 55454441 in words is "fifty-five million, four hundred fifty-four thousand, four hundred forty-one".

Divisors: 1 7 157 1099 50459 353213 7922063 55454441