53505511 has 8 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 50289408.

The previous prime is 53505503. The next prime is 53505527. The reversal of 53505511 is 11550535.

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

It is a cyclic number.

It is not a de Polignac number, because 53505511 - 2³ = 53505503 is a prime.

It is a super-2 number, since 2×53505511² = 5725679414742242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14250 + ... + 17608.

It is an arithmetic number, because the mean of its divisors is an integer number (7091280).

Almost surely, 2^53505511 is an apocalyptic number.

53505511 is a deficient number, since it is larger than the sum of its proper divisors (3224729).

53505511 is a wasteful number, since it uses less digits than its factorization.

53505511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 53505511 is about 7314.7461336673. The cubic root of 53505511 is about 376.8190399088.

The spelling of 53505511 in words is "fifty-three million, five hundred five thousand, five hundred eleven".