50542820 has 24 divisors (see below), whose sum is σ = 107238264. Its totient is φ = 20007936.

The previous prime is 50542783. The next prime is 50542823. The reversal of 50542820 is 2824505.

It can be written as a sum of positive squares in 4 ways, for example, as 10903204 + 39639616 = 3302^2 + 6296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50542820.

It is not an unprimeable number, because it can be changed into a prime (50542823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11087 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (4468261).

Almost surely, 2^50542820 is an apocalyptic number.

It is an amenable number.

50542820 is an abundant number, since it is smaller than the sum of its proper divisors (56695444).

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

50542820 is a wasteful number, since it uses less digits than its factorization.

50542820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26159 (or 26157 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 50542820 is about 7109.3473680782. The cubic root of 50542820 is about 369.7315315699.

The spelling of 50542820 in words is "fifty million, five hundred forty-two thousand, eight hundred twenty".