53220198 has 16 divisors (see below), whose sum is σ = 106594416. Its totient is φ = 17714400.

The previous prime is 53220169. The next prime is 53220199. The reversal of 53220198 is 89102235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220199) 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, 1653 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (6662151).

Almost surely, 2^53220198 is an apocalyptic number.

53220198 is an abundant number, since it is smaller than the sum of its proper divisors (53374218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53220198 is a wasteful number, since it uses less digits than its factorization.

53220198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12839.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 53220198 is about 7295.2174744829. The cubic root of 53220198 is about 376.1480620669.

The spelling of 53220198 in words is "fifty-three million, two hundred twenty thousand, one hundred ninety-eight".