57263 has 4 divisors (see below), whose sum is σ = 57768. Its totient is φ = 56760.

The previous prime is 57259. The next prime is 57269. The reversal of 57263 is 36275.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57263 - 2² = 57259 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 7⁴ + 2¹³ + 6⁶ + 3² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 338.

It is an arithmetic number, because the mean of its divisors is an integer number (14442).

2⁵⁷²⁶³ is an apocalyptic number.

57263 is a deficient number, since it is larger than the sum of its proper divisors (505).

57263 is a wasteful number, since it uses less digits than its factorization.

57263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 1260, while the sum is 23.

The square root of 57263 is about 239.2968867328. The cubic root of 57263 is about 38.5441109074.

It can be divided in two parts, 5 and 7263, that multiplied together give a triangular number (36315 = T₂₆₉).

The spelling of 57263 in words is "fifty-seven thousand, two hundred sixty-three".