53630276 has 48 divisors (see below), whose sum is σ = 111041280. Its totient is φ = 22189440.

The previous prime is 53630249. The next prime is 53630299. The reversal of 53630276 is 67203635.

It is an unprimeable number.

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, 105110 + ... + 105618.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^53630276 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 53630276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55520640).

53630276 is an abundant number, since it is smaller than the sum of its proper divisors (57411004).

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

53630276 is a wasteful number, since it uses less digits than its factorization.

53630276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 53630276 is about 7323.2694884184. The cubic root of 53630276 is about 377.1117034206. Note that the first 3 decimals are identical.

The spelling of 53630276 in words is "fifty-three million, six hundred thirty thousand, two hundred seventy-six".