53502543121 has 8 divisors (see below), whose sum is σ = 55844945280. Its totient is φ = 51161491392.

The previous prime is 53502543119. The next prime is 53502543151. The reversal of 53502543121 is 12134520535.

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 53502543121 - 2¹ = 53502543119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53502543151) 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, 256216 + ... + 415513.

It is an arithmetic number, because the mean of its divisors is an integer number (6980618160).

Almost surely, 2^53502543121 is an apocalyptic number.

It is an amenable number.

53502543121 is a deficient number, since it is larger than the sum of its proper divisors (2342402159).

53502543121 is a wasteful number, since it uses less digits than its factorization.

53502543121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675215.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 53502543121 in words is "fifty-three billion, five hundred two million, five hundred forty-three thousand, one hundred twenty-one".