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50055109 = 133850393
BaseRepresentation
bin1011111011110…
…0011111000101
310111012001200221
42332330133011
5100303230414
64544504341
71145314156
oct276743705
9114161627
1050055109
1126289165
121491b0b1
13a4a7510
14690d92d
1545db224
hex2fbc7c5

50055109 has 4 divisors (see below), whose sum is σ = 53905516. Its totient is φ = 46204704.

The previous prime is 50055079. The next prime is 50055127. The reversal of 50055109 is 90155005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20657025 + 29398084 = 4545^2 + 5422^2 .

It is not a de Polignac number, because 50055109 - 211 = 50053061 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 (50055169) 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 3 ways as a sum of consecutive naturals, for example, 1925184 + ... + 1925209.

It is an arithmetic number, because the mean of its divisors is an integer number (13476379).

Almost surely, 250055109 is an apocalyptic number.

It is an amenable number.

50055109 is a deficient number, since it is larger than the sum of its proper divisors (3850407).

50055109 is a wasteful number, since it uses less digits than its factorization.

50055109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850406.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 50055109 is about 7074.9635334749. The cubic root of 50055109 is about 368.5384490294.

The spelling of 50055109 in words is "fifty million, fifty-five thousand, one hundred nine".

Divisors: 1 13 3850393 50055109