545023550 has 48 divisors (see below), whose sum is σ = 1072550400. Its totient is φ = 205480800.

The previous prime is 545023543. The next prime is 545023597. The reversal of 545023550 is 55320545.

It is a happy number.

545023550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199091 + ... + 201809.

It is an arithmetic number, because the mean of its divisors is an integer number (22344800).

Almost surely, 2^545023550 is an apocalyptic number.

545023550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545023550 is a deficient number, since it is larger than the sum of its proper divisors (527526850).

545023550 is a wasteful number, since it uses less digits than its factorization.

545023550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 545023550 is about 23345.7394399920. The cubic root of 545023550 is about 816.8426822237.

The spelling of 545023550 in words is "five hundred forty-five million, twenty-three thousand, five hundred fifty".