53986540 has 12 divisors (see below), whose sum is σ = 113371776. Its totient is φ = 21594608.

The previous prime is 53986481. The next prime is 53986547. The reversal of 53986540 is 4568935.

It is a junction number, because it is equal to n+sod(n) for n = 53986493 and 53986502.

It is not an unprimeable number, because it can be changed into a prime (53986547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349644 + ... + 1349683.

It is an arithmetic number, because the mean of its divisors is an integer number (9447648).

Almost surely, 2^53986540 is an apocalyptic number.

It is an amenable number.

53986540 is an abundant number, since it is smaller than the sum of its proper divisors (59385236).

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

53986540 is a wasteful number, since it uses less digits than its factorization.

53986540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699336 (or 2699334 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 53986540 is about 7347.5533342739. The cubic root of 53986540 is about 377.9449076600.

The spelling of 53986540 in words is "fifty-three million, nine hundred eighty-six thousand, five hundred forty".