52145089 has 4 divisors (see below), whose sum is σ = 52651456. Its totient is φ = 51638724.

The previous prime is 52145053. The next prime is 52145129. The reversal of 52145089 is 98054125.

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 52145089 - 2⁹ = 52144577 is a prime.

It is a super-2 number, since 2×52145089² = 5438220613635842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52145029) 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, 253029 + ... + 253234.

It is an arithmetic number, because the mean of its divisors is an integer number (13162864).

Almost surely, 2^52145089 is an apocalyptic number.

It is an amenable number.

52145089 is a deficient number, since it is larger than the sum of its proper divisors (506367).

52145089 is a wasteful number, since it uses less digits than its factorization.

52145089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506366.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 52145089 is about 7221.1556554336. The cubic root of 52145089 is about 373.5979383876.

The spelling of 52145089 in words is "fifty-two million, one hundred forty-five thousand, eighty-nine".