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53554331 = 192818649
BaseRepresentation
bin1100110001001…
…0110010011011
310201202211201202
43030102302123
5102202214311
65151504415
71220130035
oct314226233
9121684652
1053554331
1128259186
1215b2810b
13b13116c
147180c55
154a7ce3b
hex3312c9b

53554331 has 4 divisors (see below), whose sum is σ = 56373000. Its totient is φ = 50735664.

The previous prime is 53554321. The next prime is 53554343. The reversal of 53554331 is 13345535.

53554331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53554331 is a prime.

It is a super-2 number, since 2×535543312 = 5736132737715122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53554294 and 53554303.

It is not an unprimeable number, because it can be changed into a prime (53554321) 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 3 ways as a sum of consecutive naturals, for example, 1409306 + ... + 1409343.

It is an arithmetic number, because the mean of its divisors is an integer number (14093250).

Almost surely, 253554331 is an apocalyptic number.

53554331 is a deficient number, since it is larger than the sum of its proper divisors (2818669).

53554331 is a wasteful number, since it uses less digits than its factorization.

53554331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818668.

The product of its digits is 13500, while the sum is 29.

The square root of 53554331 is about 7318.0824674227. The cubic root of 53554331 is about 376.9336119900.

Adding to 53554331 its reverse (13345535), we get a palindrome (66899866).

The spelling of 53554331 in words is "fifty-three million, five hundred fifty-four thousand, three hundred thirty-one".

Divisors: 1 19 2818649 53554331