53505011 has 6 divisors (see below), whose sum is σ = 62240580. Its totient is φ = 45861396.

The previous prime is 53504999. The next prime is 53505017. The reversal of 53505011 is 11050535.

It is a happy number.

It is not a de Polignac number, because 53505011 - 2¹⁴ = 53488627 is a prime.

It is a super-2 number, since 2×53505011² = 5725572404220242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53505017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545921 + ... + 546018.

It is an arithmetic number, because the mean of its divisors is an integer number (10373430).

Almost surely, 2^53505011 is an apocalyptic number.

53505011 is a deficient number, since it is larger than the sum of its proper divisors (8735569).

53505011 is a wasteful number, since it uses less digits than its factorization.

53505011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091953 (or 1091946 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 53505011 is about 7314.7119560513. The cubic root of 53505011 is about 376.8178661349.

Adding to 53505011 its reverse (11050535), we get a palindrome (64555546).

The spelling of 53505011 in words is "fifty-three million, five hundred five thousand, eleven".