5661950 has 36 divisors (see below), whose sum is σ = 12255912. Its totient is φ = 1940400.

The previous prime is 5661941. The next prime is 5661961. The reversal of 5661950 is 591665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1295 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (340442).

Almost surely, 2^5661950 is an apocalyptic number.

5661950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5661950 is an abundant number, since it is smaller than the sum of its proper divisors (6593962).

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

5661950 is a wasteful number, since it uses less digits than its factorization.

5661950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5661950 is about 2379.4852384497. The cubic root of 5661950 is about 178.2332295988.

The spelling of 5661950 in words is "five million, six hundred sixty-one thousand, nine hundred fifty".