54638263 has 4 divisors (see below), whose sum is σ = 55407888. Its totient is φ = 53868640.

The previous prime is 54638261. The next prime is 54638303. The reversal of 54638263 is 36283645.

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 54638263 - 2¹ = 54638261 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 (54638261) 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, 384706 + ... + 384847.

It is an arithmetic number, because the mean of its divisors is an integer number (13851972).

Almost surely, 2^54638263 is an apocalyptic number.

54638263 is a deficient number, since it is larger than the sum of its proper divisors (769625).

54638263 is an equidigital number, since it uses as much as digits as its factorization.

54638263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769624.

The product of its digits is 103680, while the sum is 37.

The square root of 54638263 is about 7391.7699504246. The cubic root of 54638263 is about 379.4596729709.

It can be divided in two parts, 546 and 38263, that added together give a square (38809 = 197²).

The spelling of 54638263 in words is "fifty-four million, six hundred thirty-eight thousand, two hundred sixty-three".