545857950 has 48 divisors (see below), whose sum is σ = 1476798336. Its totient is φ = 132328800.

The previous prime is 545857943. The next prime is 545857967. The reversal of 545857950 is 59758545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 545857950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163762 + ... + 167061.

It is an arithmetic number, because the mean of its divisors is an integer number (30766632).

Almost surely, 2^545857950 is an apocalyptic number.

545857950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545857950 is an abundant number, since it is smaller than the sum of its proper divisors (930940386).

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

545857950 is a wasteful number, since it uses less digits than its factorization.

545857950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330849 (or 330844 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 48.

The square root of 545857950 is about 23363.6031039735. The cubic root of 545857950 is about 817.2593162161.

The spelling of 545857950 in words is "five hundred forty-five million, eight hundred fifty-seven thousand, nine hundred fifty".