545207850 has 432 divisors, whose sum is σ = 1852381440. Its totient is φ = 114048000.

The previous prime is 545207843. The next prime is 545207857. The reversal of 545207850 is 58702545.

It is a happy number.

545207850 is a `hidden beast` number, since 54 + 520 + 7 + 85 + 0 = 666.

545207850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (545207843) and next prime (545207857).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545207857) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 17587335 + ... + 17587365.

It is an arithmetic number, because the mean of its divisors is an integer number (4287920).

Almost surely, 2^545207850 is an apocalyptic number.

545207850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545207850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926190720).

545207850 is an abundant number, since it is smaller than the sum of its proper divisors (1307173590).

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

545207850 is a wasteful number, since it uses less digits than its factorization.

545207850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 545207850 is about 23349.6862933959. The cubic root of 545207850 is about 816.9347437751.

The spelling of 545207850 in words is "five hundred forty-five million, two hundred seven thousand, eight hundred fifty".