50426990 has 16 divisors (see below), whose sum is σ = 91179648. Its totient is φ = 20079456.

The previous prime is 50426983. The next prime is 50427011. The reversal of 50426990 is 9962405.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50426990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9077 + ... + 13536.

It is an arithmetic number, because the mean of its divisors is an integer number (5698728).

Almost surely, 2^50426990 is an apocalyptic number.

50426990 is a deficient number, since it is larger than the sum of its proper divisors (40752658).

50426990 is a wasteful number, since it uses less digits than its factorization.

50426990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22843.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 50426990 is about 7101.1963780760. The cubic root of 50426990 is about 369.4488751340.

The spelling of 50426990 in words is "fifty million, four hundred twenty-six thousand, nine hundred ninety".