53987206 has 32 divisors (see below), whose sum is σ = 105537600. Its totient is φ = 20100096.

The previous prime is 53987203. The next prime is 53987209. The reversal of 53987206 is 60278935.

It is an interprime number because it is at equal distance from previous prime (53987203) and next prime (53987209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53987203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5631 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (3298050).

Almost surely, 2^53987206 is an apocalyptic number.

53987206 is a deficient number, since it is larger than the sum of its proper divisors (51550394).

53987206 is a wasteful number, since it uses less digits than its factorization.

53987206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 53987206 is about 7347.5986553431. The cubic root of 53987206 is about 377.9464618145.

The spelling of 53987206 in words is "fifty-three million, nine hundred eighty-seven thousand, two hundred six".