54821264 has 40 divisors (see below), whose sum is σ = 109623192. Its totient is φ = 26542080.

The previous prime is 54821233. The next prime is 54821267. The reversal of 54821264 is 46212845.

It can be written as a sum of positive squares in 4 ways, for example, as 3268864 + 51552400 = 1808^2 + 7180^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54821264.

It is not an unprimeable number, because it can be changed into a prime (54821267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126392 + ... + 126824.

Almost surely, 2^54821264 is an apocalyptic number.

It is an amenable number.

54821264 is a deficient number, since it is larger than the sum of its proper divisors (54801928).

54821264 is a wasteful number, since it uses less digits than its factorization.

54821264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 54821264 is about 7404.1383023280. The cubic root of 54821264 is about 379.8828447708.

It can be divided in two parts, 548 and 21264, that added together give a palindrome (21812).

The spelling of 54821264 in words is "fifty-four million, eight hundred twenty-one thousand, two hundred sixty-four".