53521101 has 8 divisors (see below), whose sum is σ = 79290560. Its totient is φ = 35680716.

The previous prime is 53521087. The next prime is 53521103. The reversal of 53521101 is 10112535.

53521101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53521101 - 2¹³ = 53512909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53521103) 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 7 ways as a sum of consecutive naturals, for example, 991105 + ... + 991158.

It is an arithmetic number, because the mean of its divisors is an integer number (9911320).

Almost surely, 2^53521101 is an apocalyptic number.

It is an amenable number.

53521101 is a deficient number, since it is larger than the sum of its proper divisors (25769459).

53521101 is a wasteful number, since it uses less digits than its factorization.

53521101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982272 (or 1982266 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 53521101 is about 7315.8117116285. The cubic root of 53521101 is about 376.8556345090.

Adding to 53521101 its reverse (10112535), we get a palindrome (63633636).

The spelling of 53521101 in words is "fifty-three million, five hundred twenty-one thousand, one hundred one".