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55236764 = 22112973593
BaseRepresentation
bin1101001010110…
…1100010011100
310211221022121002
43102231202130
5103120034024
65251525432
71240335062
oct322554234
9124838532
1055236764
11291a8220
12165b9878
13b59cb9b
14749c032
154cb16ae
hex34ad89c

55236764 has 48 divisors (see below), whose sum is σ = 110769120. Its totient is φ = 23869440.

The previous prime is 55236763. The next prime is 55236809. The reversal of 55236764 is 46763255.

55236764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552367642 = 6102200194383392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55236763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92852 + ... + 93444.

It is an arithmetic number, because the mean of its divisors is an integer number (2307690).

Almost surely, 255236764 is an apocalyptic number.

It is an amenable number.

55236764 is an abundant number, since it is smaller than the sum of its proper divisors (55532356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55236764 is a wasteful number, since it uses less digits than its factorization.

55236764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 55236764 is about 7432.1439706184. The cubic root of 55236764 is about 380.8401632279.

The spelling of 55236764 in words is "fifty-five million, two hundred thirty-six thousand, seven hundred sixty-four".

Divisors: 1 2 4 11 22 29 44 58 73 116 146 292 319 593 638 803 1186 1276 1606 2117 2372 3212 4234 6523 8468 13046 17197 23287 26092 34394 43289 46574 68788 86578 93148 173156 189167 378334 476179 756668 952358 1255381 1904716 2510762 5021524 13809191 27618382 55236764