53153735521 has 8 divisors (see below), whose sum is σ = 54476498304. Its totient is φ = 51838965840.

The previous prime is 53153735501. The next prime is 53153735543. The reversal of 53153735521 is 12553735135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53153735521 - 2¹⁵ = 53153702753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53153735501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984810 + ... + 2011411.

It is an arithmetic number, because the mean of its divisors is an integer number (6809562288).

Almost surely, 2^53153735521 is an apocalyptic number.

It is an amenable number.

53153735521 is a deficient number, since it is larger than the sum of its proper divisors (1322762783).

53153735521 is a wasteful number, since it uses less digits than its factorization.

53153735521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996551.

The product of its digits is 236250, while the sum is 40.

The spelling of 53153735521 in words is "fifty-three billion, one hundred fifty-three million, seven hundred thirty-five thousand, five hundred twenty-one".