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55417544 = 2371376123
BaseRepresentation
bin1101001101100…
…1101011001000
310212021111120122
43103121223020
5103141330134
65255442412
71242020120
oct323315310
9125244518
1055417544
1129311026
1216686408
13b634260
147507c80
154cea02e
hex34d9ac8

55417544 has 32 divisors (see below), whose sum is σ = 127888320. Its totient is φ = 21923136.

The previous prime is 55417529. The next prime is 55417561. The reversal of 55417544 is 44571455.

55417544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×554175442 = 6142208365983872, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37334 + ... + 38789.

It is an arithmetic number, because the mean of its divisors is an integer number (3996510).

Almost surely, 255417544 is an apocalyptic number.

It is an amenable number.

55417544 is an abundant number, since it is smaller than the sum of its proper divisors (72470776).

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

55417544 is a wasteful number, since it uses less digits than its factorization.

55417544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76149 (or 76145 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 55417544 is about 7444.2960714899. The cubic root of 55417544 is about 381.2551845931.

Adding to 55417544 its reverse (44571455), we get a palindrome (99988999).

The spelling of 55417544 in words is "fifty-five million, four hundred seventeen thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 76123 152246 304492 532861 608984 989599 1065722 1979198 2131444 3958396 4262888 6927193 7916792 13854386 27708772 55417544