545564140 has 96 divisors (see below), whose sum is σ = 1315367424. Its totient is φ = 188136960.

The previous prime is 545564137. The next prime is 545564147. The reversal of 545564140 is 41465545.

It is a junction number, because it is equal to n+sod(n) for n = 545564096 and 545564105.

It is not an unprimeable number, because it can be changed into a prime (545564147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692827 + ... + 693613.

It is an arithmetic number, because the mean of its divisors is an integer number (13701744).

Almost surely, 2^545564140 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 545564140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657683712).

545564140 is an abundant number, since it is smaller than the sum of its proper divisors (769803284).

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

545564140 is a wasteful number, since it uses less digits than its factorization.

545564140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 545564140 is about 23357.3144860448. The cubic root of 545564140 is about 817.1126589803.

The spelling of 545564140 in words is "five hundred forty-five million, five hundred sixty-four thousand, one hundred forty".