50309892 has 18 divisors (see below), whose sum is σ = 127172318. Its totient is φ = 16769952.

The previous prime is 50309873. The next prime is 50309893. The reversal of 50309892 is 29890305.

It can be written as a sum of positive squares in only one way, i.e., 46049796 + 4260096 = 6786^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1397497 = 50309892 / (5 + 0 + 3 + 0 + 9 + 8 + 9 + 2).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50309893) 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, 698713 + ... + 698784.

Almost surely, 2^50309892 is an apocalyptic number.

It is an amenable number.

50309892 is an abundant number, since it is smaller than the sum of its proper divisors (76862426).

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

50309892 is a wasteful number, since it uses less digits than its factorization.

50309892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397507 (or 1397502 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50309892 is about 7092.9466373292. The cubic root of 50309892 is about 369.1626841207.

The spelling of 50309892 in words is "fifty million, three hundred nine thousand, eight hundred ninety-two".