53504162121 has 8 divisors (see below), whose sum is σ = 71443334880. Its totient is φ = 35617215392.

The previous prime is 53504162053. The next prime is 53504162123. The reversal of 53504162121 is 12126140535.

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 53504162121 - 2¹⁰ = 53504161097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53504162123) 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 7 ways as a sum of consecutive naturals, for example, 13054116 + ... + 13058213.

It is an arithmetic number, because the mean of its divisors is an integer number (8930416860).

Almost surely, 2^53504162121 is an apocalyptic number.

It is an amenable number.

53504162121 is a deficient number, since it is larger than the sum of its proper divisors (17939172759).

53504162121 is a wasteful number, since it uses less digits than its factorization.

53504162121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113015.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 53504162121 in words is "fifty-three billion, five hundred four million, one hundred sixty-two thousand, one hundred twenty-one".