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55656704 = 28217409
BaseRepresentation
bin1101010001010…
…0000100000000
310212201122122102
43110110010000
5103222003304
65304525532
71244034305
oct324240400
9125648572
1055656704
1129464784
12167808a8
13b6b907c
14756b0ac
154d45d1e
hex3514100

55656704 has 18 divisors (see below), whose sum is σ = 111096510. Its totient is φ = 27828224.

The previous prime is 55656701. The next prime is 55656707. The reversal of 55656704 is 40765655.

It is an interprime number because it is at equal distance from previous prime (55656701) and next prime (55656707).

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 8761600 = 6848^2 + 2960^2 .

It is not an unprimeable number, because it can be changed into a prime (55656701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108449 + ... + 108960.

Almost surely, 255656704 is an apocalyptic number.

It is an amenable number.

55656704 is a deficient number, since it is larger than the sum of its proper divisors (55439806).

55656704 is an equidigital number, since it uses as much as digits as its factorization.

55656704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217425 (or 217411 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 55656704 is about 7460.3420833096. The cubic root of 55656704 is about 381.8028459174.

The spelling of 55656704 in words is "fifty-five million, six hundred fifty-six thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 217409 434818 869636 1739272 3478544 6957088 13914176 27828352 55656704