53003011 has 4 divisors (see below), whose sum is σ = 53277832. Its totient is φ = 52728192.

The previous prime is 53003009. The next prime is 53003029. The reversal of 53003011 is 11030035.

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

It is a cyclic number.

It is not a de Polignac number, because 53003011 - 2¹ = 53003009 is a prime.

It is a super-2 number, since 2×53003011² = 5618638350132242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53002982 and 53003000.

It is not an unprimeable number, because it can be changed into a prime (53003051) 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, 137121 + ... + 137506.

It is an arithmetic number, because the mean of its divisors is an integer number (13319458).

Almost surely, 2^53003011 is an apocalyptic number.

53003011 is a deficient number, since it is larger than the sum of its proper divisors (274821).

53003011 is a wasteful number, since it uses less digits than its factorization.

53003011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274820.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 53003011 is about 7280.3166826725. The cubic root of 53003011 is about 375.6356886059.

Adding to 53003011 its reverse (11030035), we get a palindrome (64033046).

The spelling of 53003011 in words is "fifty-three million, three thousand, eleven".