53220004665 has 8 divisors (see below), whose sum is σ = 85152007488. Its totient is φ = 28384002480.

The previous prime is 53220004631. The next prime is 53220004667. The reversal of 53220004665 is 56640002235.

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

It is not a de Polignac number, because 53220004665 - 2⁶ = 53220004601 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53220004667) 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, 1774000141 + ... + 1774000170.

It is an arithmetic number, because the mean of its divisors is an integer number (10644000936).

Almost surely, 2^53220004665 is an apocalyptic number.

It is an amenable number.

53220004665 is a deficient number, since it is larger than the sum of its proper divisors (31932002823).

53220004665 is a wasteful number, since it uses less digits than its factorization.

53220004665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548000319.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 53220004665 in words is "fifty-three billion, two hundred twenty million, four thousand, six hundred sixty-five".