53185198 has 16 divisors (see below), whose sum is σ = 87145776. Its totient is φ = 24143040.

The previous prime is 53185193. The next prime is 53185211. The reversal of 53185198 is 89158135.

It is a self number, because there is not a number n which added to its sum of digits gives 53185198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53185193) 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, 25690 + ... + 27682.

It is an arithmetic number, because the mean of its divisors is an integer number (5446611).

Almost surely, 2^53185198 is an apocalyptic number.

53185198 is a deficient number, since it is larger than the sum of its proper divisors (33960578).

53185198 is a wasteful number, since it uses less digits than its factorization.

53185198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219.

The product of its digits is 43200, while the sum is 40.

The square root of 53185198 is about 7292.8182481123. The cubic root of 53185198 is about 376.0655866802.

The spelling of 53185198 in words is "fifty-three million, one hundred eighty-five thousand, one hundred ninety-eight".