53147480 has 64 divisors (see below), whose sum is σ = 127915200. Its totient is φ = 19824640.

The previous prime is 53147477. The next prime is 53147537. The reversal of 53147480 is 8474135.

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, 37016 + ... + 38424.

It is an arithmetic number, because the mean of its divisors is an integer number (1998675).

Almost surely, 2^53147480 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 53147480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63957600).

53147480 is an abundant number, since it is smaller than the sum of its proper divisors (74767720).

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

53147480 is a wasteful number, since it uses less digits than its factorization.

53147480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 53147480 is about 7290.2318207311. The cubic root of 53147480 is about 375.9766659731.

The spelling of 53147480 in words is "fifty-three million, one hundred forty-seven thousand, four hundred eighty".