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53807 = 134139
BaseRepresentation
bin1101001000101111
32201210212
431020233
53210212
61053035
7312605
oct151057
981725
1053807
1137476
122717b
131b650
1415875
1510e22
hexd22f

53807 has 4 divisors (see below), whose sum is σ = 57960. Its totient is φ = 49656.

The previous prime is 53791. The next prime is 53813. The reversal of 53807 is 70835.

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

It is a cyclic number.

It is not a de Polignac number, because 53807 - 24 = 53791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53807.

It is not an unprimeable number, because it can be changed into a prime (53857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (14490).

253807 is an apocalyptic number.

53807 is a deficient number, since it is larger than the sum of its proper divisors (4153).

53807 is a wasteful number, since it uses less digits than its factorization.

53807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 53807 is about 231.9633591755. The cubic root of 53807 is about 37.7525472310.

The spelling of 53807 in words is "fifty-three thousand, eight hundred seven".

Divisors: 1 13 4139 53807