53980685 has 8 divisors (see below), whose sum is σ = 70665696. Its totient is φ = 39258640.

The previous prime is 53980681. The next prime is 53980697. The reversal of 53980685 is 58608935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53980685 - 2² = 53980681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53980681) 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, 490679 + ... + 490788.

It is an arithmetic number, because the mean of its divisors is an integer number (8833212).

Almost surely, 2^53980685 is an apocalyptic number.

53980685 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53980685 is a deficient number, since it is larger than the sum of its proper divisors (16685011).

53980685 is a wasteful number, since it uses less digits than its factorization.

53980685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981483.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 53980685 is about 7347.1548915209. The cubic root of 53980685 is about 377.9312440849.

The spelling of 53980685 in words is "fifty-three million, nine hundred eighty thousand, six hundred eighty-five".