54639263 has 12 divisors (see below), whose sum is σ = 63680400. Its totient is φ = 46744992.

The previous prime is 54639253. The next prime is 54639289. The reversal of 54639263 is 36293645.

It is not a de Polignac number, because 54639263 - 2¹² = 54635167 is a prime.

It is a super-2 number, since 2×54639263² = 5970898122366338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54639203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50870 + ... + 51932.

It is an arithmetic number, because the mean of its divisors is an integer number (5306700).

Almost surely, 2^54639263 is an apocalyptic number.

54639263 is a deficient number, since it is larger than the sum of its proper divisors (9041137).

54639263 is a wasteful number, since it uses less digits than its factorization.

54639263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2119 counting only the distinct ones).

The product of its digits is 116640, while the sum is 38.

The square root of 54639263 is about 7391.8375929129. The cubic root of 54639263 is about 379.4619879381.

The spelling of 54639263 in words is "fifty-four million, six hundred thirty-nine thousand, two hundred sixty-three".