53007506 has 8 divisors (see below), whose sum is σ = 81450684. Its totient is φ = 25857280.

The previous prime is 53007503. The next prime is 53007553. The reversal of 53007506 is 60570035.

It can be written as a sum of positive squares in 2 ways, for example, as 38254225 + 14753281 = 6185^2 + 3841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53007503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323135 + ... + 323298.

Almost surely, 2^53007506 is an apocalyptic number.

53007506 is a deficient number, since it is larger than the sum of its proper divisors (28443178).

53007506 is a wasteful number, since it uses less digits than its factorization.

53007506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646476.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53007506 is about 7280.6253852262. The cubic root of 53007506 is about 375.6463070888.

The spelling of 53007506 in words is "fifty-three million, seven thousand, five hundred six".