52949489 has 4 divisors (see below), whose sum is σ = 52967424. Its totient is φ = 52931556.

The previous prime is 52949471. The next prime is 52949531. The reversal of 52949489 is 98494925.

It is a happy number.

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 52949489 - 2¹⁶ = 52883953 is a prime.

It is a super-2 number, since 2×52949489² = 5607296770722242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52949419) 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, 3377 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (13241856).

Almost surely, 2^52949489 is an apocalyptic number.

It is an amenable number.

52949489 is a deficient number, since it is larger than the sum of its proper divisors (17935).

52949489 is a wasteful number, since it uses less digits than its factorization.

52949489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17934.

The product of its digits is 933120, while the sum is 50.

The square root of 52949489 is about 7276.6399526155. The cubic root of 52949489 is about 375.5092080912.

The spelling of 52949489 in words is "fifty-two million, nine hundred forty-nine thousand, four hundred eighty-nine".