52189081 has 4 divisors (see below), whose sum is σ = 59644672. Its totient is φ = 44733492.

The previous prime is 52189069. The next prime is 52189097. The reversal of 52189081 is 18098125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52189081 - 2¹⁷ = 52058009 is a prime.

It is a super-2 number, since 2×52189081² = 5447400351249122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52189021) 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, 3727785 + ... + 3727798.

It is an arithmetic number, because the mean of its divisors is an integer number (14911168).

Almost surely, 2^52189081 is an apocalyptic number.

It is an amenable number.

52189081 is a deficient number, since it is larger than the sum of its proper divisors (7455591).

52189081 is an equidigital number, since it uses as much as digits as its factorization.

52189081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455590.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 52189081 is about 7224.2010630934. The cubic root of 52189081 is about 373.7029703355.

The spelling of 52189081 in words is "fifty-two million, one hundred eighty-nine thousand, eighty-one".