53631264 has 48 divisors (see below), whose sum is σ = 141613920. Its totient is φ = 17771520.

The previous prime is 53631257. The next prime is 53631287. The reversal of 53631264 is 46213635.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15624 + ... + 18744.

It is an arithmetic number, because the mean of its divisors is an integer number (2950290).

Almost surely, 2^53631264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53631264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70806960).

53631264 is an abundant number, since it is smaller than the sum of its proper divisors (87982656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53631264 is a wasteful number, since it uses less digits than its factorization.

53631264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3305 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 53631264 is about 7323.3369443171. The cubic root of 53631264 is about 377.1140191776.

Adding to 53631264 its reverse (46213635), we get a palindrome (99844899).

The spelling of 53631264 in words is "fifty-three million, six hundred thirty-one thousand, two hundred sixty-four".