Search a number
-
+
50055861 = 319878173
BaseRepresentation
bin1011111011110…
…0101010110101
310111012002201210
42332330222311
5100303241421
64544512033
71145316312
oct276745265
9114162653
1050055861
1126289789
121491b619
13a4a796b
14690dd09
1545db576
hex2fbcab5

50055861 has 8 divisors (see below), whose sum is σ = 70253920. Its totient is φ = 31614192.

The previous prime is 50055853. The next prime is 50055869. The reversal of 50055861 is 16855005.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50055853) and next prime (50055869).

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

It is not a de Polignac number, because 50055861 - 23 = 50055853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439030 + ... + 439143.

It is an arithmetic number, because the mean of its divisors is an integer number (8781740).

Almost surely, 250055861 is an apocalyptic number.

It is an amenable number.

50055861 is a deficient number, since it is larger than the sum of its proper divisors (20198059).

50055861 is a wasteful number, since it uses less digits than its factorization.

50055861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878195.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 50055861 is about 7075.0166784256. The cubic root of 50055861 is about 368.5402945921.

The spelling of 50055861 in words is "fifty million, fifty-five thousand, eight hundred sixty-one".

Divisors: 1 3 19 57 878173 2634519 16685287 50055861