45534555220331 has 4 divisors (see below), whose sum is σ = 46393697771712. Its totient is φ = 44675412668952.

The previous prime is 45534555220321. The next prime is 45534555220489. The reversal of 45534555220331 is 13302255543554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45534555220331 - 2¹⁸ = 45534554958187 is a prime.

It is a super-2 number, since 2×45534555220331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45534555220321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429571275611 + ... + 429571275716.

It is an arithmetic number, because the mean of its divisors is an integer number (11598424442928).

Almost surely, 2^{45534555220331} is an apocalyptic number.

45534555220331 is a deficient number, since it is larger than the sum of its proper divisors (859142551381).

45534555220331 is an equidigital number, since it uses as much as digits as its factorization.

45534555220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859142551380.

The product of its (nonzero) digits is 5400000, while the sum is 47.

The spelling of 45534555220331 in words is "forty-five trillion, five hundred thirty-four billion, five hundred fifty-five million, two hundred twenty thousand, three hundred thirty-one".