53047116 has 48 divisors (see below), whose sum is σ = 139601280. Its totient is φ = 17416080.

The previous prime is 53047103. The next prime is 53047133. The reversal of 53047116 is 61174035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53047116.

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, 3571 + ... + 10901.

It is an arithmetic number, because the mean of its divisors is an integer number (2908360).

Almost surely, 2^53047116 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 53047116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69800640).

53047116 is an abundant number, since it is smaller than the sum of its proper divisors (86554164).

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

53047116 is a wasteful number, since it uses less digits than its factorization.

53047116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411 (or 7403 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 53047116 is about 7283.3451105931. The cubic root of 53047116 is about 375.7398513600.

The spelling of 53047116 in words is "fifty-three million, forty-seven thousand, one hundred sixteen".