53825140 has 24 divisors (see below), whose sum is σ = 113928192. Its totient is φ = 21359520.

The previous prime is 53825113. The next prime is 53825147. The reversal of 53825140 is 4152835.

It is a junction number, because it is equal to n+sod(n) for n = 53825099 and 53825108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53825147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8056 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (4747008).

Almost surely, 2^53825140 is an apocalyptic number.

It is an amenable number.

53825140 is an abundant number, since it is smaller than the sum of its proper divisors (60103052).

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

53825140 is a wasteful number, since it uses less digits than its factorization.

53825140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327 (or 21325 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53825140 is about 7336.5618650700. The cubic root of 53825140 is about 377.5678927053.

Adding to 53825140 its reverse (4152835), we get a palindrome (57977975).

The spelling of 53825140 in words is "fifty-three million, eight hundred twenty-five thousand, one hundred forty".