53257700 has 36 divisors (see below), whose sum is σ = 116367552. Its totient is φ = 21156000.

The previous prime is 53257681. The next prime is 53257709. The reversal of 53257700 is 775235.

53257700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53257709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13337 + ... + 16863.

It is an arithmetic number, because the mean of its divisors is an integer number (3232432).

Almost surely, 2^53257700 is an apocalyptic number.

53257700 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 53257700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58183776).

53257700 is an abundant number, since it is smaller than the sum of its proper divisors (63109852).

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

53257700 is a wasteful number, since it uses less digits than its factorization.

53257700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 53257700 is about 7297.7873358985. The cubic root of 53257700 is about 376.2363931460.

The spelling of 53257700 in words is "fifty-three million, two hundred fifty-seven thousand, seven hundred".