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55113764 = 2213778441
BaseRepresentation
bin1101001000111…
…1100000100100
310211201001212112
43102033200210
5103102120024
65245140152
71236313346
oct322174044
9124631775
1055113764
1129123872
121655a658
13b558bc4
147469296
154c8a00e
hex348f824

55113764 has 6 divisors (see below), whose sum is σ = 96449094. Its totient is φ = 27556880.

The previous prime is 55113763. The next prime is 55113791. The reversal of 55113764 is 46731155.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 2696164 = 7240^2 + 1642^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55113764.

It is not an unprimeable number, because it can be changed into a prime (55113763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6889217 + ... + 6889224.

It is an arithmetic number, because the mean of its divisors is an integer number (16074849).

Almost surely, 255113764 is an apocalyptic number.

It is an amenable number.

55113764 is a deficient number, since it is larger than the sum of its proper divisors (41335330).

55113764 is a wasteful number, since it uses less digits than its factorization.

55113764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778445 (or 13778443 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 55113764 is about 7423.8644922978. The cubic root of 55113764 is about 380.5572710038.

The spelling of 55113764 in words is "fifty-five million, one hundred thirteen thousand, seven hundred sixty-four".

Divisors: 1 2 4 13778441 27556882 55113764