53755986 has 16 divisors (see below), whose sum is σ = 107640000. Its totient is φ = 17897328.

The previous prime is 53755979. The next prime is 53755987. The reversal of 53755986 is 68955735.

It is not an unprimeable number, because it can be changed into a prime (53755987) 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, 640 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (6727500).

Almost surely, 2^53755986 is an apocalyptic number.

53755986 is an abundant number, since it is smaller than the sum of its proper divisors (53884014).

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

53755986 is a wasteful number, since it uses less digits than its factorization.

53755986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673.

The product of its digits is 1134000, while the sum is 48.

The square root of 53755986 is about 7331.8473797536. The cubic root of 53755986 is about 377.4061249258.

The spelling of 53755986 in words is "fifty-three million, seven hundred fifty-five thousand, nine hundred eighty-six".