545811950 has 24 divisors (see below), whose sum is σ = 1032422760. Its totient is φ = 214623200.

The previous prime is 545811907. The next prime is 545811953. The reversal of 545811950 is 59118545.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545811953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89561 + ... + 95460.

It is an arithmetic number, because the mean of its divisors is an integer number (43017615).

Almost surely, 2^545811950 is an apocalyptic number.

545811950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545811950 is a deficient number, since it is larger than the sum of its proper divisors (486610810).

545811950 is a wasteful number, since it uses less digits than its factorization.

545811950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185092 (or 185087 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 545811950 is about 23362.6186460337. The cubic root of 545811950 is about 817.2363584822.

The spelling of 545811950 in words is "five hundred forty-five million, eight hundred eleven thousand, nine hundred fifty".