545963964 has 72 divisors (see below), whose sum is σ = 1576552320. Its totient is φ = 143986752.

The previous prime is 545963939. The next prime is 545963989. The reversal of 545963964 is 469369545.

It is an interprime number because it is at equal distance from previous prime (545963939) and next prime (545963989).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5034 + ... + 33425.

It is an arithmetic number, because the mean of its divisors is an integer number (21896560).

Almost surely, 2^545963964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545963964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788276160).

545963964 is an abundant number, since it is smaller than the sum of its proper divisors (1030588356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545963964 is a wasteful number, since it uses less digits than its factorization.

545963964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38499 (or 38484 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The square root of 545963964 is about 23365.8717791569. The cubic root of 545963964 is about 817.3122208963.

The spelling of 545963964 in words is "five hundred forty-five million, nine hundred sixty-three thousand, nine hundred sixty-four".