53556253321 has 16 divisors (see below), whose sum is σ = 55232206848. Its totient is φ = 51899097600.

The previous prime is 53556253307. The next prime is 53556253337. The reversal of 53556253321 is 12335265535.

It is a cyclic number.

It is not a de Polignac number, because 53556253321 - 2⁹ = 53556252809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53556253301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3737256 + ... + 3751558.

It is an arithmetic number, because the mean of its divisors is an integer number (3452012928).

Almost surely, 2^53556253321 is an apocalyptic number.

It is an amenable number.

53556253321 is a deficient number, since it is larger than the sum of its proper divisors (1675953527).

53556253321 is a wasteful number, since it uses less digits than its factorization.

53556253321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952.

The product of its digits is 405000, while the sum is 40.

The spelling of 53556253321 in words is "fifty-three billion, five hundred fifty-six million, two hundred fifty-three thousand, three hundred twenty-one".