50982390 has 48 divisors (see below), whose sum is σ = 132947568. Its totient is φ = 13555008.

The previous prime is 50982361. The next prime is 50982401. The reversal of 50982390 is 9328905.

It is a super-2 number, since 2×50982390² = 5198408180224200, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 41424 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (2769741).

Almost surely, 2^50982390 is an apocalyptic number.

50982390 is an abundant number, since it is smaller than the sum of its proper divisors (81965178).

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

50982390 is a wasteful number, since it uses less digits than its factorization.

50982390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 50982390 is about 7140.1953754782. The cubic root of 50982390 is about 370.8002887134.

The spelling of 50982390 in words is "fifty million, nine hundred eighty-two thousand, three hundred ninety".