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50531 = 13323
BaseRepresentation
bin1100010101100011
32120022112
430111203
53104111
61025535
7300215
oct142543
976275
1050531
1134a68
12252ab
131a000
14145b5
15ee8b
hexc563

50531 has 8 divisors (see below), whose sum is σ = 57120. Its totient is φ = 44616.

The previous prime is 50527. The next prime is 50539. The reversal of 50531 is 13505.

50531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50531 - 22 = 50527 is a prime.

It is a super-2 number, since 2×505312 = 5106763922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (7140).

250531 is an apocalyptic number.

50531 is a deficient number, since it is larger than the sum of its proper divisors (6589).

50531 is an equidigital number, since it uses as much as digits as its factorization.

50531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 50531 is about 224.7910140553. The cubic root of 50531 is about 36.9702707381.

The spelling of 50531 in words is "fifty thousand, five hundred thirty-one".

Divisors: 1 13 23 169 299 2197 3887 50531