52533149 has 4 divisors (see below), whose sum is σ = 52593660. Its totient is φ = 52472640.

The previous prime is 52533137. The next prime is 52533161. The reversal of 52533149 is 94133525.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52533137) and next prime (52533161).

It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 34597924 = 4235^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 52533149 - 2⁴ = 52533133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52533199) 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, 28934 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (13148415).

Almost surely, 2^52533149 is an apocalyptic number.

It is an amenable number.

52533149 is a deficient number, since it is larger than the sum of its proper divisors (60511).

52533149 is an equidigital number, since it uses as much as digits as its factorization.

52533149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510.

The product of its digits is 16200, while the sum is 32.

The square root of 52533149 is about 7247.9755104443. The cubic root of 52533149 is about 374.5224118689.

The spelling of 52533149 in words is "fifty-two million, five hundred thirty-three thousand, one hundred forty-nine".