53190986 has 8 divisors (see below), whose sum is σ = 79885440. Its totient is φ = 26562508.

The previous prime is 53190971. The next prime is 53190989. The reversal of 53190986 is 68909135.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53190989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14426 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (9985680).

Almost surely, 2^53190986 is an apocalyptic number.

53190986 is a deficient number, since it is larger than the sum of its proper divisors (26694454).

53190986 is a wasteful number, since it uses less digits than its factorization.

53190986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32988.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 53190986 is about 7293.2150660734. The cubic root of 53190986 is about 376.0792282493.

The spelling of 53190986 in words is "fifty-three million, one hundred ninety thousand, nine hundred eighty-six".