53925640 has 32 divisors (see below), whose sum is σ = 121570560. Its totient is φ = 21528000.

The previous prime is 53925601. The next prime is 53925643. The reversal of 53925640 is 4652935.

53925640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53925596 and 53925605.

It is not an unprimeable number, because it can be changed into a prime (53925643) 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 7 ways as a sum of consecutive naturals, for example, 26665 + ... + 28615.

It is an arithmetic number, because the mean of its divisors is an integer number (3799080).

Almost surely, 2^53925640 is an apocalyptic number.

It is an amenable number.

53925640 is an abundant number, since it is smaller than the sum of its proper divisors (67644920).

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

53925640 is a wasteful number, since it uses less digits than its factorization.

53925640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 53925640 is about 7343.4079282034. The cubic root of 53925640 is about 377.8027394758.

The spelling of 53925640 in words is "fifty-three million, nine hundred twenty-five thousand, six hundred forty".