545295780 has 48 divisors (see below), whose sum is σ = 1696477440. Its totient is φ = 145412064.

The previous prime is 545295733. The next prime is 545295847. The reversal of 545295780 is 87592545.

545295780 is a `hidden beast` number, since 54 + 5 + 29 + 578 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 504364 + ... + 505443.

It is an arithmetic number, because the mean of its divisors is an integer number (35343280).

Almost surely, 2^545295780 is an apocalyptic number.

It is an amenable number.

545295780 is an abundant number, since it is smaller than the sum of its proper divisors (1151181660).

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

545295780 is a wasteful number, since it uses less digits than its factorization.

545295780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009825 (or 1009817 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 545295780 is about 23351.5691121603. The cubic root of 545295780 is about 816.9786592657.

The spelling of 545295780 in words is "five hundred forty-five million, two hundred ninety-five thousand, seven hundred eighty".