53047500 has 120 divisors (see below), whose sum is σ = 168995904. Its totient is φ = 12840000.

The previous prime is 53047433. The next prime is 53047517. The reversal of 53047500 is 574035.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82179 + ... + 82821.

Almost surely, 2^53047500 is an apocalyptic number.

53047500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53047500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84497952).

53047500 is an abundant number, since it is smaller than the sum of its proper divisors (115948404).

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

53047500 is a wasteful number, since it uses less digits than its factorization.

53047500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53047500 is about 7283.3714720588. The cubic root of 53047500 is about 375.7407579990.

The spelling of 53047500 in words is "fifty-three million, forty-seven thousand, five hundred".