542161850 has 12 divisors (see below), whose sum is σ = 1008421134. Its totient is φ = 216864720.

The previous prime is 542161849. The next prime is 542161853. The reversal of 542161850 is 58161245.

It can be written as a sum of positive squares in 3 ways, for example, as 464704249 + 77457601 = 21557^2 + 8801^2 .

It is not an unprimeable number, because it can be changed into a prime (542161853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5421569 + ... + 5421668.

Almost surely, 2^542161850 is an apocalyptic number.

542161850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542161850 is a deficient number, since it is larger than the sum of its proper divisors (466259284).

542161850 is a wasteful number, since it uses less digits than its factorization.

542161850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843249 (or 10843244 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 542161850 is about 23284.3692205737. The cubic root of 542161850 is about 815.4105350110.

The spelling of 542161850 in words is "five hundred forty-two million, one hundred sixty-one thousand, eight hundred fifty".