53147360 has 72 divisors (see below), whose sum is σ = 146081880. Its totient is φ = 18219264.

The previous prime is 53147333. The next prime is 53147371. The reversal of 53147360 is 6374135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4451 + ... + 11229.

It is an arithmetic number, because the mean of its divisors is an integer number (2028915).

Almost surely, 2^53147360 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 53147360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73040940).

53147360 is an abundant number, since it is smaller than the sum of its proper divisors (92934520).

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

53147360 is a wasteful number, since it uses less digits than its factorization.

53147360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6793 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 53147360 is about 7290.2235905355. The cubic root of 53147360 is about 375.9763830043.

The spelling of 53147360 in words is "fifty-three million, one hundred forty-seven thousand, three hundred sixty".