545122323550 has 24 divisors (see below), whose sum is σ = 1158774311376. Its totient is φ = 186899082240.

The previous prime is 545122323539. The next prime is 545122323611. The reversal of 545122323550 is 55323221545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778745827 + ... + 778746526.

It is an arithmetic number, because the mean of its divisors is an integer number (48282262974).

Almost surely, 2^545122323550 is an apocalyptic number.

545122323550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545122323550 is an abundant number, since it is smaller than the sum of its proper divisors (613651987826).

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

545122323550 is a wasteful number, since it uses less digits than its factorization.

545122323550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557492372 (or 1557492367 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 545122323550 in words is "five hundred forty-five billion, one hundred twenty-two million, three hundred twenty-three thousand, five hundred fifty".