50090661 has 12 divisors (see below), whose sum is σ = 73270080. Its totient is φ = 32970600.

The previous prime is 50090611. The next prime is 50090683. The reversal of 50090661 is 16609005.

It is not a de Polignac number, because 50090661 - 2⁶ = 50090597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50090611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34515 + ... + 35936.

It is an arithmetic number, because the mean of its divisors is an integer number (6105840).

Almost surely, 2^50090661 is an apocalyptic number.

It is an amenable number.

50090661 is a deficient number, since it is larger than the sum of its proper divisors (23179419).

50090661 is a wasteful number, since it uses less digits than its factorization.

50090661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70536 (or 70533 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50090661 is about 7077.4756092833. The cubic root of 50090661 is about 368.6256807388.

Adding to 50090661 its reverse (16609005), we get a palindrome (66699666).

The spelling of 50090661 in words is "fifty million, ninety thousand, six hundred sixty-one".