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55627072 = 26869173
BaseRepresentation
bin1101010000110…
…0110101000000
310212200010222221
43110030311000
5103220031242
65304140424
71243552024
oct324146500
9125603887
1055627072
1129444496
1216767714
13b6a8737
147560384
154d3c167
hex350cd40

55627072 has 14 divisors (see below), whose sum is σ = 110385098. Its totient is φ = 27813504.

The previous prime is 55627057. The next prime is 55627073. The reversal of 55627072 is 27072655.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43349056 + 12278016 = 6584^2 + 3504^2 .

It is a super-2 number, since 2×556270722 = 6188742278586368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55627073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434523 + ... + 434650.

Almost surely, 255627072 is an apocalyptic number.

It is an amenable number.

55627072 is a deficient number, since it is larger than the sum of its proper divisors (54758026).

55627072 is an equidigital number, since it uses as much as digits as its factorization.

55627072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869185 (or 869175 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 55627072 is about 7458.3558509902. The cubic root of 55627072 is about 381.7350757626.

The spelling of 55627072 in words is "fifty-five million, six hundred twenty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 869173 1738346 3476692 6953384 13906768 27813536 55627072