54651263 has 4 divisors (see below), whose sum is σ = 55018200. Its totient is φ = 54284328.

The previous prime is 54651253. The next prime is 54651281. The reversal of 54651263 is 36215645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36215645 = 5 ⋅7243129.

It is a cyclic number.

It is not a de Polignac number, because 54651263 - 2⁶ = 54651199 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 (54651203) 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, 183245 + ... + 183542.

It is an arithmetic number, because the mean of its divisors is an integer number (13754550).

Almost surely, 2^54651263 is an apocalyptic number.

54651263 is a deficient number, since it is larger than the sum of its proper divisors (366937).

54651263 is a wasteful number, since it uses less digits than its factorization.

54651263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366936.

The product of its digits is 21600, while the sum is 32.

The square root of 54651263 is about 7392.6492544960. The cubic root of 54651263 is about 379.4897653414.

The spelling of 54651263 in words is "fifty-four million, six hundred fifty-one thousand, two hundred sixty-three".