53587040 has 48 divisors (see below), whose sum is σ = 136343088. Its totient is φ = 19785216.

The previous prime is 53587021. The next prime is 53587057. The reversal of 53587040 is 4078535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 53586988 and 53587006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10802 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (2840481).

Almost surely, 2^53587040 is an apocalyptic number.

It is an amenable number.

53587040 is an abundant number, since it is smaller than the sum of its proper divisors (82756048).

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

53587040 is a wasteful number, since it uses less digits than its factorization.

53587040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25791 (or 25783 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 53587040 is about 7320.3169330296. The cubic root of 53587040 is about 377.0103353976.

The spelling of 53587040 in words is "fifty-three million, five hundred eighty-seven thousand, forty".