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55027388 = 22131935483
BaseRepresentation
bin1101000111101…
…0011010111100
310211112200101102
43101322122330
5103041334023
65243232232
71235503463
oct321723274
9124480342
1055027388
1129074989
1216518678
13b5287b0
1474459da
154c6e628
hex347a6bc

55027388 has 24 divisors (see below), whose sum is σ = 104261808. Its totient is φ = 25261056.

The previous prime is 55027381. The next prime is 55027391. The reversal of 55027388 is 88372055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027381) 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, 7295 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (4344242).

Almost surely, 255027388 is an apocalyptic number.

It is an amenable number.

55027388 is a deficient number, since it is larger than the sum of its proper divisors (49234420).

55027388 is a wasteful number, since it uses less digits than its factorization.

55027388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 55027388 is about 7418.0447558639. The cubic root of 55027388 is about 380.3583600024.

The spelling of 55027388 in words is "fifty-five million, twenty-seven thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 193 386 772 2509 5018 5483 10036 10966 21932 71279 142558 285116 1058219 2116438 4232876 13756847 27513694 55027388