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53889121 = 1113376847
BaseRepresentation
bin1100110110010…
…0100001100001
310202101211222101
43031210201201
5102243422441
65203010401
71223023066
oct315444141
9122354871
1053889121
1128467770
1216069a01
13b21a670
14722ac6d
154ae7231
hex3364861

53889121 has 8 divisors (see below), whose sum is σ = 63310464. Its totient is φ = 45221520.

The previous prime is 53889113. The next prime is 53889137. The reversal of 53889121 is 12198835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53889121 - 23 = 53889113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53889721) 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 in 7 ways as a sum of consecutive naturals, for example, 188281 + ... + 188566.

It is an arithmetic number, because the mean of its divisors is an integer number (7913808).

Almost surely, 253889121 is an apocalyptic number.

It is an amenable number.

53889121 is a deficient number, since it is larger than the sum of its proper divisors (9421343).

53889121 is a wasteful number, since it uses less digits than its factorization.

53889121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376871.

The product of its digits is 17280, while the sum is 37.

The square root of 53889121 is about 7340.9209912653. The cubic root of 53889121 is about 377.7174362453.

The spelling of 53889121 in words is "fifty-three million, eight hundred eighty-nine thousand, one hundred twenty-one".

Divisors: 1 11 13 143 376847 4145317 4899011 53889121