53251966 has 8 divisors (see below), whose sum is σ = 79928640. Its totient is φ = 26609088.

The previous prime is 53251949. The next prime is 53251997. The reversal of 53251966 is 66915235.

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, 4051 + ... + 11086.

It is an arithmetic number, because the mean of its divisors is an integer number (9991080).

Almost surely, 2^53251966 is an apocalyptic number.

53251966 is a deficient number, since it is larger than the sum of its proper divisors (26676674).

53251966 is a wasteful number, since it uses less digits than its factorization.

53251966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898.

The product of its digits is 48600, while the sum is 37.

The square root of 53251966 is about 7297.3944665202. The cubic root of 53251966 is about 376.2228901413. Note that the first 3 decimals are identical.

The spelling of 53251966 in words is "fifty-three million, two hundred fifty-one thousand, nine hundred sixty-six".