53613276 has 48 divisors (see below), whose sum is σ = 133346304. Its totient is φ = 16726336.

The previous prime is 53613247. The next prime is 53613283. The reversal of 53613276 is 67231635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10906 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (2778048).

Almost surely, 2^53613276 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 53613276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66673152).

53613276 is an abundant number, since it is smaller than the sum of its proper divisors (79733028).

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

53613276 is a wasteful number, since it uses less digits than its factorization.

53613276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4208 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 53613276 is about 7322.1087126592. The cubic root of 53613276 is about 377.0718529422.

The spelling of 53613276 in words is "fifty-three million, six hundred thirteen thousand, two hundred seventy-six".