53501011 has 4 divisors (see below), whose sum is σ = 53517024. Its totient is φ = 53485000.

The previous prime is 53500999. The next prime is 53501051. The reversal of 53501011 is 11010535.

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 53501011 - 2²⁵ = 19946579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53501051) 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, 880 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (13379256).

Almost surely, 2^53501011 is an apocalyptic number.

53501011 is a deficient number, since it is larger than the sum of its proper divisors (16013).

53501011 is a wasteful number, since it uses less digits than its factorization.

53501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 53501011 is about 7314.4385293746. The cubic root of 53501011 is about 376.8084756810.

Adding to 53501011 its reverse (11010535), we get a palindrome (64511546).

The spelling of 53501011 in words is "fifty-three million, five hundred one thousand, eleven".