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55894893 = 318631631
BaseRepresentation
bin1101010100111…
…0001101101101
310220011202101020
43111032031231
5103302114033
65314004353
71246045605
oct325161555
9126152336
1055894893
112960772a
12168766b9
13b770602
1475cdc05
154d916b3
hex354e36d

55894893 has 4 divisors (see below), whose sum is σ = 74526528. Its totient is φ = 37263260.

The previous prime is 55894879. The next prime is 55894897. The reversal of 55894893 is 39849855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55894893 - 24 = 55894877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55894897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9315813 + ... + 9315818.

It is an arithmetic number, because the mean of its divisors is an integer number (18631632).

Almost surely, 255894893 is an apocalyptic number.

It is an amenable number.

55894893 is a deficient number, since it is larger than the sum of its proper divisors (18631635).

55894893 is a wasteful number, since it uses less digits than its factorization.

55894893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631634.

The product of its digits is 1555200, while the sum is 51.

The square root of 55894893 is about 7476.2887183415. The cubic root of 55894893 is about 382.3467265768.

The spelling of 55894893 in words is "fifty-five million, eight hundred ninety-four thousand, eight hundred ninety-three".

Divisors: 1 3 18631631 55894893