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55387483 = 3137431123
BaseRepresentation
bin1101001101001…
…0010101011011
310212012222100021
43103102111123
5103134344413
65255051311
71241533354
oct323222533
9125188307
1055387483
11292a0488
1216670b37
13b623678
1474dad2b
154ce118d
hex34d255b

55387483 has 16 divisors (see below), whose sum is σ = 60138496. Its totient is φ = 50893920.

The previous prime is 55387457. The next prime is 55387487. The reversal of 55387483 is 38478355.

It is a cyclic number.

It is not a de Polignac number, because 55387483 - 29 = 55386971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55387487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48760 + ... + 49882.

It is an arithmetic number, because the mean of its divisors is an integer number (3758656).

Almost surely, 255387483 is an apocalyptic number.

55387483 is a deficient number, since it is larger than the sum of its proper divisors (4751013).

55387483 is a wasteful number, since it uses less digits than its factorization.

55387483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its digits is 403200, while the sum is 43.

The square root of 55387483 is about 7442.2767349783. The cubic root of 55387483 is about 381.1862353988.

The spelling of 55387483 in words is "fifty-five million, three hundred eighty-seven thousand, four hundred eighty-three".

Divisors: 1 31 37 43 1123 1147 1333 1591 34813 41551 48289 49321 1288081 1496959 1786693 55387483