53121101 has 8 divisors (see below), whose sum is σ = 58684800. Its totient is φ = 47679840.

The previous prime is 53121091. The next prime is 53121109. The reversal of 53121101 is 10112135.

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 53121101 - 2⁶ = 53121037 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 (53121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29696 + ... + 31433.

It is an arithmetic number, because the mean of its divisors is an integer number (7335600).

Almost surely, 2^53121101 is an apocalyptic number.

It is an amenable number.

53121101 is a deficient number, since it is larger than the sum of its proper divisors (5563699).

53121101 is a wasteful number, since it uses less digits than its factorization.

53121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61219.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 53121101 is about 7288.4223944555. The cubic root of 53121101 is about 375.9144521122.

Adding to 53121101 its reverse (10112135), we get a palindrome (63233236).

The spelling of 53121101 in words is "fifty-three million, one hundred twenty-one thousand, one hundred one".