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50305053 = 329619479
BaseRepresentation
bin1011111111100…
…1100000011101
310111122202120010
42333321200131
5100334230203
64554113433
71150404651
oct277714035
9114582503
1050305053
1126439a27
1214a1b879
13a564206
146976a61
15463a303
hex2ff981d

50305053 has 16 divisors (see below), whose sum is σ = 70531200. Its totient is φ = 31846080.

The previous prime is 50305051. The next prime is 50305063. The reversal of 50305053 is 35050305.

It is not a de Polignac number, because 50305053 - 21 = 50305051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50305051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (4408200).

Almost surely, 250305053 is an apocalyptic number.

It is an amenable number.

50305053 is a deficient number, since it is larger than the sum of its proper divisors (20226147).

50305053 is a wasteful number, since it uses less digits than its factorization.

50305053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 50305053 is about 7092.6055156057. The cubic root of 50305053 is about 369.1508479097.

Adding to 50305053 its reverse (35050305), we get a palindrome (85355358).

The spelling of 50305053 in words is "fifty million, three hundred five thousand, fifty-three".

Divisors: 1 3 29 61 87 183 1769 5307 9479 28437 274891 578219 824673 1734657 16768351 50305053