52890111 has 32 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 32624640.

The previous prime is 52890067. The next prime is 52890121. The reversal of 52890111 is 11109825.

It is not a de Polignac number, because 52890111 - 2¹⁰ = 52889087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52890121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27055 + ... + 28943.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^52890111 is an apocalyptic number.

52890111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

52890111 is a deficient number, since it is larger than the sum of its proper divisors (31479489).

52890111 is a wasteful number, since it uses less digits than its factorization.

52890111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 52890111 is about 7272.5587656615. The cubic root of 52890111 is about 375.3687891998.

Adding to 52890111 its reverse (11109825), we get a palindrome (63999936).

The spelling of 52890111 in words is "fifty-two million, eight hundred ninety thousand, one hundred eleven".