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55369984 = 28216289
BaseRepresentation
bin1101001100111…
…0000100000000
310212012002100011
43103032010000
5103133314414
65254434304
71241431345
oct323160400
9125162304
1055369984
112928931a
1216662994
13b618707
1474d47cc
154cdadc4
hex34ce100

55369984 has 18 divisors (see below), whose sum is σ = 110524190. Its totient is φ = 27684864.

The previous prime is 55369973. The next prime is 55370023. The reversal of 55369984 is 48996355.

55369984 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 55353600 + 16384 = 7440^2 + 128^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107889 + ... + 108400.

Almost surely, 255369984 is an apocalyptic number.

It is an amenable number.

55369984 is a deficient number, since it is larger than the sum of its proper divisors (55154206).

55369984 is an equidigital number, since it uses as much as digits as its factorization.

55369984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216305 (or 216291 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 55369984 is about 7441.1009938046. The cubic root of 55369984 is about 381.1460874558.

The spelling of 55369984 in words is "fifty-five million, three hundred sixty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 216289 432578 865156 1730312 3460624 6921248 13842496 27684992 55369984