53540221425 has 48 divisors (see below), whose sum is σ = 89619978240. Its totient is φ = 28201400640.

The previous prime is 53540221403. The next prime is 53540221439. The reversal of 53540221425 is 52412204535.

It is a happy number.

It is not a de Polignac number, because 53540221425 - 2⁵ = 53540221393 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2918632 + ... + 2936918.

It is an arithmetic number, because the mean of its divisors is an integer number (1867082880).

Almost surely, 2^53540221425 is an apocalyptic number.

It is an amenable number.

53540221425 is a deficient number, since it is larger than the sum of its proper divisors (36079756815).

53540221425 is a wasteful number, since it uses less digits than its factorization.

53540221425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18782 (or 18777 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 53540221425 in words is "fifty-three billion, five hundred forty million, two hundred twenty-one thousand, four hundred twenty-five".