5551940 has 12 divisors (see below), whose sum is σ = 11659116. Its totient is φ = 2220768.

The previous prime is 5551939. The next prime is 5551951. The reversal of 5551940 is 491555.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 4937284 = 784^2 + 2222^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138779 + ... + 138818.

It is an arithmetic number, because the mean of its divisors is an integer number (971593).

Almost surely, 2^5551940 is an apocalyptic number.

It is an amenable number.

5551940 is an abundant number, since it is smaller than the sum of its proper divisors (6107176).

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

5551940 is a wasteful number, since it uses less digits than its factorization.

5551940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277606 (or 277604 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5551940 is about 2356.2555039724. The cubic root of 5551940 is about 177.0713321817.

The spelling of 5551940 in words is "five million, five hundred fifty-one thousand, nine hundred forty".