54663261 has 16 divisors (see below), whose sum is σ = 75440640. Its totient is φ = 35170560.

The previous prime is 54663251. The next prime is 54663263. The reversal of 54663261 is 16236645.

It is not a de Polignac number, because 54663261 - 2⁹ = 54662749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54663263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52401 + ... + 53433.

It is an arithmetic number, because the mean of its divisors is an integer number (4715040).

Almost surely, 2^54663261 is an apocalyptic number.

It is an amenable number.

54663261 is a deficient number, since it is larger than the sum of its proper divisors (20777379).

54663261 is a wasteful number, since it uses less digits than its factorization.

54663261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its digits is 25920, while the sum is 33.

The square root of 54663261 is about 7393.4606917194. The cubic root of 54663261 is about 379.5175340504.

The spelling of 54663261 in words is "fifty-four million, six hundred sixty-three thousand, two hundred sixty-one".