545718920 has 32 divisors (see below), whose sum is σ = 1261056600. Its totient is φ = 212387328.

The previous prime is 545718889. The next prime is 545718937. The reversal of 545718920 is 29817545.

It can be written as a sum of positive squares in 4 ways, for example, as 542983204 + 2735716 = 23302^2 + 1654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182885 + ... + 185844.

Almost surely, 2^545718920 is an apocalyptic number.

It is an amenable number.

545718920 is an abundant number, since it is smaller than the sum of its proper divisors (715337680).

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

545718920 is a wasteful number, since it uses less digits than its factorization.

545718920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368777 (or 368773 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 545718920 is about 23360.6275600635. The cubic root of 545718920 is about 817.1899250184.

The spelling of 545718920 in words is "five hundred forty-five million, seven hundred eighteen thousand, nine hundred twenty".