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55743457 = 7114773211
BaseRepresentation
bin1101010010100…
…1001111100001
310212220001122111
43110221033201
5103232242312
65310435321
71244545240
oct324511741
9125801574
1055743457
1129513980
1216802b41
13b7196c3
147590957
154d618a7
hex35293e1

55743457 has 32 divisors (see below), whose sum is σ = 72290304. Its totient is φ = 41731200.

The previous prime is 55743419. The next prime is 55743463. The reversal of 55743457 is 75434755.

55743457 is nontrivially palindromic in base 14.

55743457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55743457 - 211 = 55741409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55743407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264082 + ... + 264292.

It is an arithmetic number, because the mean of its divisors is an integer number (2259072).

Almost surely, 255743457 is an apocalyptic number.

It is an amenable number.

55743457 is a deficient number, since it is larger than the sum of its proper divisors (16546847).

55743457 is a wasteful number, since it uses less digits than its factorization.

55743457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its digits is 294000, while the sum is 40.

The square root of 55743457 is about 7466.1540969900. The cubic root of 55743457 is about 382.0011170166.

The spelling of 55743457 in words is "fifty-five million, seven hundred forty-three thousand, four hundred fifty-seven".

Divisors: 1 7 11 47 73 77 211 329 511 517 803 1477 2321 3431 3619 5621 9917 15403 16247 24017 37741 69419 107821 109087 169433 264187 723941 763609 1186031 5067587 7963351 55743457