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50030053 = 59847967
BaseRepresentation
bin1011111011011…
…0010111100101
310111010210022221
42332312113211
5100301430203
64544152341
71145151133
oct276662745
9114123287
1050030053
1126271357
12149086b1
13a498ca8
146904753
1545d3abd
hex2fb65e5

50030053 has 4 divisors (see below), whose sum is σ = 50878080. Its totient is φ = 49182028.

The previous prime is 50030051. The next prime is 50030069. The reversal of 50030053 is 35003005.

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 50030053 - 21 = 50030051 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 (50030051) 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, 423925 + ... + 424042.

It is an arithmetic number, because the mean of its divisors is an integer number (12719520).

Almost surely, 250030053 is an apocalyptic number.

It is an amenable number.

50030053 is a deficient number, since it is larger than the sum of its proper divisors (848027).

50030053 is an equidigital number, since it uses as much as digits as its factorization.

50030053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848026.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 50030053 is about 7073.1925606476. The cubic root of 50030053 is about 368.4769458798.

Adding to 50030053 its reverse (35003005), we get a palindrome (85033058).

The spelling of 50030053 in words is "fifty million, thirty thousand, fifty-three".

Divisors: 1 59 847967 50030053