53001001 has 4 divisors (see below), whose sum is σ = 53158612. Its totient is φ = 52843392.

The previous prime is 53000977. The next prime is 53001017. The reversal of 53001001 is 10010035.

53001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14622976 + 38378025 = 3824^2 + 6195^2 .

It is a cyclic number.

It is not a de Polignac number, because 53001001 - 2⁷ = 53000873 is a prime.

It is a super-2 number, since 2×53001001² = 5618212214004002, which contains 22 as substring.

It is a Duffinian number.

53001001 is a modest number, since divided by 1001 gives 53 as remainder.

It is not an unprimeable number, because it can be changed into a prime (53001071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78300 + ... + 78973.

It is an arithmetic number, because the mean of its divisors is an integer number (13289653).

Almost surely, 2^53001001 is an apocalyptic number.

It is an amenable number.

53001001 is a deficient number, since it is larger than the sum of its proper divisors (157611).

53001001 is a wasteful number, since it uses less digits than its factorization.

53001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157610.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 53001001 is about 7280.1786379182. The cubic root of 53001001 is about 375.6309402135.

Adding to 53001001 its reverse (10010035), we get a palindrome (63011036).

The spelling of 53001001 in words is "fifty-three million, one thousand, one".