53007529 has 4 divisors (see below), whose sum is σ = 53025876. Its totient is φ = 52989184.

The previous prime is 53007503. The next prime is 53007553. The reversal of 53007529 is 92570035.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 31663129 = 4620^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 53007529 - 2⁵ = 53007497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53007529.

It is not an unprimeable number, because it can be changed into a prime (53007589) 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, 3784 + ... + 10969.

It is an arithmetic number, because the mean of its divisors is an integer number (13256469).

Almost surely, 2^53007529 is an apocalyptic number.

It is an amenable number.

53007529 is a deficient number, since it is larger than the sum of its proper divisors (18347).

53007529 is a wasteful number, since it uses less digits than its factorization.

53007529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18346.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 53007529 is about 7280.6269647607. The cubic root of 53007529 is about 375.6463614198.

The spelling of 53007529 in words is "fifty-three million, seven thousand, five hundred twenty-nine".