5551960 has 16 divisors (see below), whose sum is σ = 12492000. Its totient is φ = 2220768.

The previous prime is 5551957. The next prime is 5551967. The reversal of 5551960 is 691555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69360 + ... + 69439.

It is an arithmetic number, because the mean of its divisors is an integer number (780750).

Almost surely, 2^5551960 is an apocalyptic number.

It is an amenable number.

5551960 is an abundant number, since it is smaller than the sum of its proper divisors (6940040).

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

5551960 is a wasteful number, since it uses less digits than its factorization.

5551960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138810 (or 138806 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5551960 is about 2356.2597479904. The cubic root of 5551960 is about 177.0715448054.

The spelling of 5551960 in words is "five million, five hundred fifty-one thousand, nine hundred sixty".