53208700 has 36 divisors (see below), whose sum is σ = 117929952. Its totient is φ = 20828800.

The previous prime is 53208689. The next prime is 53208709. The reversal of 53208700 is 780235.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53208709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961 + ... + 10360.

It is an arithmetic number, because the mean of its divisors is an integer number (3275832).

Almost surely, 2^53208700 is an apocalyptic number.

53208700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53208700 is an abundant number, since it is smaller than the sum of its proper divisors (64721252).

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

53208700 is a wasteful number, since it uses less digits than its factorization.

53208700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382 (or 11375 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 53208700 is about 7294.4293813841. The cubic root of 53208700 is about 376.1209717135.

Adding to 53208700 its reverse (780235), we get a palindrome (53988935).

The spelling of 53208700 in words is "fifty-three million, two hundred eight thousand, seven hundred".