53955009321 has 8 divisors (see below), whose sum is σ = 71941781184. Its totient is φ = 35969121840.

The previous prime is 53955009319. The next prime is 53955009371. The reversal of 53955009321 is 12390055935.

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

It is not a de Polignac number, because 53955009321 - 2¹ = 53955009319 is a prime.

It is a super-2 number, since 2×53955009321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53955009371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62485 + ... + 334386.

It is an arithmetic number, because the mean of its divisors is an integer number (8992722648).

Almost surely, 2^53955009321 is an apocalyptic number.

It is an amenable number.

53955009321 is a deficient number, since it is larger than the sum of its proper divisors (17986771863).

53955009321 is a wasteful number, since it uses less digits than its factorization.

53955009321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442191.

The product of its (nonzero) digits is 182250, while the sum is 42.

The spelling of 53955009321 in words is "fifty-three billion, nine hundred fifty-five million, nine thousand, three hundred twenty-one".