545220554983 has 8 divisors (see below), whose sum is σ = 612689319648. Its totient is φ = 481398750624.

The previous prime is 545220554981. The next prime is 545220554987. The reversal of 545220554983 is 389455022545.

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

It is a cyclic number.

It is not a de Polignac number, because 545220554983 - 2¹ = 545220554981 is a prime.

It is a super-2 number, since 2×545220554983² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545220554983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545220554981) 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, 911739760 + ... + 911740357.

It is an arithmetic number, because the mean of its divisors is an integer number (76586164956).

Almost surely, 2^545220554983 is an apocalyptic number.

545220554983 is a deficient number, since it is larger than the sum of its proper divisors (67468764665).

545220554983 is a wasteful number, since it uses less digits than its factorization.

545220554983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823480153.

The product of its (nonzero) digits is 8640000, while the sum is 52.

The spelling of 545220554983 in words is "five hundred forty-five billion, two hundred twenty million, five hundred fifty-four thousand, nine hundred eighty-three".