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55411144 = 2319675441
BaseRepresentation
bin1101001101100…
…0000111001000
310212021011210121
43103120013020
5103141124034
65255353024
71241662345
oct323300710
9125234717
1055411144
1129307238
1216682774
13b631379
1475057cc
154ce81b4
hex34d81c8

55411144 has 32 divisors (see below), whose sum is σ = 111016800. Its totient is φ = 25850880.

The previous prime is 55411123. The next prime is 55411151. The reversal of 55411144 is 44111455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7464 + ... + 12904.

It is an arithmetic number, because the mean of its divisors is an integer number (3469275).

Almost surely, 255411144 is an apocalyptic number.

It is an amenable number.

55411144 is an abundant number, since it is smaller than the sum of its proper divisors (55605656).

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

55411144 is a wasteful number, since it uses less digits than its factorization.

55411144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533 (or 5529 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 55411144 is about 7443.8661997647. The cubic root of 55411144 is about 381.2405073691.

Adding to 55411144 its reverse (44111455), we get a palindrome (99522599).

It can be divided in two parts, 55411 and 144, that added together give a palindrome (55555).

The spelling of 55411144 in words is "fifty-five million, four hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 19 38 67 76 134 152 268 536 1273 2546 5092 5441 10184 10882 21764 43528 103379 206758 364547 413516 729094 827032 1458188 2916376 6926393 13852786 27705572 55411144