52890198 has 16 divisors (see below), whose sum is σ = 105876336. Its totient is φ = 17614080.

The previous prime is 52890197. The next prime is 52890199. The reversal of 52890198 is 89109825.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52890197) and next prime (52890199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52890197) 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, 4590 + ... + 11262.

It is an arithmetic number, because the mean of its divisors is an integer number (6617271).

Almost surely, 2^52890198 is an apocalyptic number.

52890198 is an abundant number, since it is smaller than the sum of its proper divisors (52986138).

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

52890198 is a wasteful number, since it uses less digits than its factorization.

52890198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7999.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 52890198 is about 7272.5647470476. The cubic root of 52890198 is about 375.3689950169.

The spelling of 52890198 in words is "fifty-two million, eight hundred ninety thousand, one hundred ninety-eight".