53032145121 has 20 divisors (see below), whose sum is σ = 79238412352. Its totient is φ = 35346929688.

The previous prime is 53032145119. The next prime is 53032145141. The reversal of 53032145121 is 12154123035.

53032145121 is a `hidden beast` number, since 530 + 3 + 2 + 1 + 4 + 5 + 121 = 666.

It is not a de Polignac number, because 53032145121 - 2¹ = 53032145119 is a prime.

It is a super-2 number, since 2×53032145121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53032145141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 307500 + ... + 447906.

Almost surely, 2^53032145121 is an apocalyptic number.

It is an amenable number.

53032145121 is a deficient number, since it is larger than the sum of its proper divisors (26206267231).

53032145121 is a wasteful number, since it uses less digits than its factorization.

53032145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145082 (or 145073 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 53032145121 its reverse (12154123035), we get a palindrome (65186268156).

The spelling of 53032145121 in words is "fifty-three billion, thirty-two million, one hundred forty-five thousand, one hundred twenty-one".