53644276 has 24 divisors (see below), whose sum is σ = 107452800. Its totient is φ = 22955232.

The previous prime is 53644273. The next prime is 53644307. The reversal of 53644276 is 67244635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53644271) 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, 26550 + ... + 28498.

It is an arithmetic number, because the mean of its divisors is an integer number (4477200).

Almost surely, 2^53644276 is an apocalyptic number.

It is an amenable number.

53644276 is an abundant number, since it is smaller than the sum of its proper divisors (53808524).

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

53644276 is a wasteful number, since it uses less digits than its factorization.

53644276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 53644276 is about 7324.2252832638. The cubic root of 53644276 is about 377.1445151388.

It can be divided in two parts, 5 and 3644276, that added together give a square (3644281 = 1909²).

The spelling of 53644276 in words is "fifty-three million, six hundred forty-four thousand, two hundred seventy-six".