545263988 has 24 divisors (see below), whose sum is σ = 961226112. Its totient is φ = 270635904.

The previous prime is 545263987. The next prime is 545263997. The reversal of 545263988 is 889362545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545263981) 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, 419756 + ... + 421052.

It is an arithmetic number, because the mean of its divisors is an integer number (40051088).

Almost surely, 2^545263988 is an apocalyptic number.

It is an amenable number.

545263988 is a deficient number, since it is larger than the sum of its proper divisors (415962124).

545263988 is a wasteful number, since it uses less digits than its factorization.

545263988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1989 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 545263988 is about 23350.8883771046. Note that the first 3 decimals coincide. The cubic root of 545263988 is about 816.9627817112.

The spelling of 545263988 in words is "five hundred forty-five million, two hundred sixty-three thousand, nine hundred eighty-eight".