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52255511 = 7211671447
BaseRepresentation
bin1100011101010…
…1101100010111
310122022212002022
43013111230113
5101334134021
65104003355
71203110300
oct307255427
9118285068
1052255511
1127551380
121560055b
13aa97c29
146d237a7
1548c31ab
hex31d5b17

52255511 has 24 divisors (see below), whose sum is σ = 67349376. Its totient is φ = 40083120.

The previous prime is 52255459. The next prime is 52255519. The reversal of 52255511 is 11555225.

It is not a de Polignac number, because 52255511 - 26 = 52255447 is a prime.

It is a super-2 number, since 2×522555112 = 5461276859742242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52255519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35390 + ... + 36836.

It is an arithmetic number, because the mean of its divisors is an integer number (2806224).

Almost surely, 252255511 is an apocalyptic number.

52255511 is a deficient number, since it is larger than the sum of its proper divisors (15093865).

52255511 is a wasteful number, since it uses less digits than its factorization.

52255511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1532 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 52255511 is about 7228.7973411903. The cubic root of 52255511 is about 373.8614617430.

The spelling of 52255511 in words is "fifty-two million, two hundred fifty-five thousand, five hundred eleven".

Divisors: 1 7 11 49 67 77 469 539 737 1447 3283 5159 10129 15917 36113 70903 96949 111419 678643 779933 1066439 4750501 7465073 52255511