50023890 has 96 divisors (see below), whose sum is σ = 149700096. Its totient is φ = 11352960.

The previous prime is 50023871. The next prime is 50023913. The reversal of 50023890 is 9832005.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170584 + ... + 170876.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^50023890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50023890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74850048).

50023890 is an abundant number, since it is smaller than the sum of its proper divisors (99676206).

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

50023890 is a wasteful number, since it uses less digits than its factorization.

50023890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 50023890 is about 7072.7568882297. The cubic root of 50023890 is about 368.4618148633.

Adding to 50023890 its reverse (9832005), we get a palindrome (59855895).

The spelling of 50023890 in words is "fifty million, twenty-three thousand, eight hundred ninety".