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55053252 = 22322952733
BaseRepresentation
bin1101001000000…
…0101111000100
310211120222212100
43102000233010
5103043201002
65243552100
71235642052
oct322005704
9124528770
1055053252
1129092361
121652b630
13b5374b7
1474511d2
154c7711c
hex3480bc4

55053252 has 36 divisors (see below), whose sum is σ = 143963820. Its totient is φ = 17717952.

The previous prime is 55053247. The next prime is 55053253. The reversal of 55053252 is 25235055.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 34857216 = 4494^2 + 5904^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (55053253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25323 + ... + 27410.

It is an arithmetic number, because the mean of its divisors is an integer number (3998995).

Almost surely, 255053252 is an apocalyptic number.

It is an amenable number.

55053252 is an abundant number, since it is smaller than the sum of its proper divisors (88910568).

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

55053252 is a wasteful number, since it uses less digits than its factorization.

55053252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52772 (or 52767 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 55053252 is about 7419.7878675876. The cubic root of 55053252 is about 380.4179427428.

The spelling of 55053252 in words is "fifty-five million, fifty-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 52733 105466 158199 210932 316398 474597 632796 949194 1529257 1898388 3058514 4587771 6117028 9175542 13763313 18351084 27526626 55053252