545755557546 has 64 divisors (see below), whose sum is σ = 1272835779840. Its totient is φ = 173003117760.

The previous prime is 545755557539. The next prime is 545755557551. The reversal of 545755557546 is 645755557545.

545755557546 is a `hidden beast` number, since 5 + 4 + 5 + 7 + 5 + 55 + 575 + 4 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1055125 + ... + 1484856.

It is an arithmetic number, because the mean of its divisors is an integer number (19888059060).

Almost surely, 2^545755557546 is an apocalyptic number.

545755557546 is an abundant number, since it is smaller than the sum of its proper divisors (727080222294).

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

545755557546 is a wasteful number, since it uses less digits than its factorization.

545755557546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540188 (or 2540182 counting only the distinct ones).

The product of its digits is 367500000, while the sum is 63.

Subtracting 545755557546 from its reverse (645755557545), we obtain a palindrome (99999999999).

The spelling of 545755557546 in words is "five hundred forty-five billion, seven hundred fifty-five million, five hundred fifty-seven thousand, five hundred forty-six".