545434560 has 280 divisors, whose sum is σ = 2117695536. Its totient is φ = 132157440.

The previous prime is 545434559. The next prime is 545434601. The reversal of 545434560 is 65434545.

545434560 is a `hidden beast` number, since 54 + 5 + 43 + 4 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 284164 + ... + 286076.

Almost surely, 2^545434560 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 545434560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058847768).

545434560 is an abundant number, since it is smaller than the sum of its proper divisors (1572260976).

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

545434560 is a wasteful number, since it uses less digits than its factorization.

545434560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 545434560 is about 23354.5404579067. The cubic root of 545434560 is about 817.0479615204.

The spelling of 545434560 in words is "five hundred forty-five million, four hundred thirty-four thousand, five hundred sixty".