545755756 has 144 divisors (see below), whose sum is σ = 1265423040. Its totient is φ = 201277440.

The previous prime is 545755751. The next prime is 545755757. The reversal of 545755756 is 657557545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545755751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5626300 + ... + 5626396.

It is an arithmetic number, because the mean of its divisors is an integer number (8787660).

Almost surely, 2^545755756 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 545755756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632711520).

545755756 is an abundant number, since it is smaller than the sum of its proper divisors (719667284).

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

545755756 is a wasteful number, since it uses less digits than its factorization.

545755756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 189 counting only the distinct ones).

The product of its digits is 3675000, while the sum is 49.

The square root of 545755756 is about 23361.4159673595. The cubic root of 545755756 is about 817.2083113645.

The spelling of 545755756 in words is "five hundred forty-five million, seven hundred fifty-five thousand, seven hundred fifty-six".