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53855887 is a prime number
BaseRepresentation
bin1100110101110…
…0011010001111
310202100011101111
43031130122033
5102241342022
65202152451
71222524151
oct315343217
9122304344
1053855887
11284447a8
1216052727
13b2084b7
14721cad1
154adc477
hex335c68f

53855887 has 2 divisors, whose sum is σ = 53855888. Its totient is φ = 53855886.

The previous prime is 53855833. The next prime is 53855891. The reversal of 53855887 is 78855835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53855887 - 27 = 53855759 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53855887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53855807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26927943 + 26927944.

It is an arithmetic number, because the mean of its divisors is an integer number (26927944).

Almost surely, 253855887 is an apocalyptic number.

53855887 is a deficient number, since it is larger than the sum of its proper divisors (1).

53855887 is an equidigital number, since it uses as much as digits as its factorization.

53855887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344000, while the sum is 49.

The square root of 53855887 is about 7338.6570297296. The cubic root of 53855887 is about 377.6397728106.

The spelling of 53855887 in words is "fifty-three million, eight hundred fifty-five thousand, eight hundred eighty-seven".