50053990 has 32 divisors (see below), whose sum is σ = 105076800. Its totient is φ = 17160192.

The previous prime is 50053981. The next prime is 50054027. The reversal of 50053990 is 9935005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3867 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (3283650).

Almost surely, 2^50053990 is an apocalyptic number.

50053990 is an abundant number, since it is smaller than the sum of its proper divisors (55022810).

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

50053990 is a wasteful number, since it uses less digits than its factorization.

50053990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14621 (or 14607 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 50053990 is about 7074.8844513533. The cubic root of 50053990 is about 368.5357027390.

Adding to 50053990 its reverse (9935005), we get a palindrome (59988995).

The spelling of 50053990 in words is "fifty million, fifty-three thousand, nine hundred ninety".