53221486 has 8 divisors (see below), whose sum is σ = 80415360. Its totient is φ = 26416368.

The previous prime is 53221477. The next prime is 53221507. The reversal of 53221486 is 68412235.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96846 + ... + 97393.

It is an arithmetic number, because the mean of its divisors is an integer number (10051920).

Almost surely, 2^53221486 is an apocalyptic number.

53221486 is a deficient number, since it is larger than the sum of its proper divisors (27193874).

53221486 is a wasteful number, since it uses less digits than its factorization.

53221486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194378.

The product of its digits is 11520, while the sum is 31.

The square root of 53221486 is about 7295.3057509607. The cubic root of 53221486 is about 376.1510964712.

The spelling of 53221486 in words is "fifty-three million, two hundred twenty-one thousand, four hundred eighty-six".