53823700 has 72 divisors (see below), whose sum is σ = 141365952. Its totient is φ = 17364480.

The previous prime is 53823697. The next prime is 53823701. The reversal of 53823700 is 732835.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53823701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9639 + ... + 14161.

It is an arithmetic number, because the mean of its divisors is an integer number (1963416).

Almost surely, 2^53823700 is an apocalyptic number.

53823700 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 53823700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70682976).

53823700 is an abundant number, since it is smaller than the sum of its proper divisors (87542252).

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

53823700 is a wasteful number, since it uses less digits than its factorization.

53823700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4561 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53823700 is about 7336.4637258014. The cubic root of 53823700 is about 377.5645256132.

The spelling of 53823700 in words is "fifty-three million, eight hundred twenty-three thousand, seven hundred".