545778960 has 80 divisors (see below), whose sum is σ = 1765494144. Its totient is φ = 139211776.

The previous prime is 545778953. The next prime is 545778973. The reversal of 545778960 is 69877545.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43917 + ... + 54956.

Almost surely, 2^545778960 is an apocalyptic number.

It is an amenable number.

545778960 is an abundant number, since it is smaller than the sum of its proper divisors (1219715184).

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

545778960 is a wasteful number, since it uses less digits than its factorization.

545778960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98912 (or 98906 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 545778960 is about 23361.9125929364. The cubic root of 545778960 is about 817.2198930002.

The spelling of 545778960 in words is "five hundred forty-five million, seven hundred seventy-eight thousand, nine hundred sixty".