50390929 has 8 divisors (see below), whose sum is σ = 52135848. Its totient is φ = 48666240.

The previous prime is 50390917. The next prime is 50390947. The reversal of 50390929 is 92909305.

It can be written as a sum of positive squares in 4 ways, for example, as 3810304 + 46580625 = 1952^2 + 6825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50390929 - 2⁷ = 50390801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50390959) 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, 99 + ... + 10039.

It is an arithmetic number, because the mean of its divisors is an integer number (6516981).

Almost surely, 2^50390929 is an apocalyptic number.

It is an amenable number.

50390929 is a deficient number, since it is larger than the sum of its proper divisors (1744919).

50390929 is a wasteful number, since it uses less digits than its factorization.

50390929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 50390929 is about 7098.6568447841. The cubic root of 50390929 is about 369.3607882260.

The spelling of 50390929 in words is "fifty million, three hundred ninety thousand, nine hundred twenty-nine".