5551120 has 20 divisors (see below), whose sum is σ = 12906540. Its totient is φ = 2220416.

The previous prime is 5551111. The next prime is 5551121. The reversal of 5551120 is 211555.

It can be written as a sum of positive squares in 2 ways, for example, as 2782224 + 2768896 = 1668^2 + 1664^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5551121) 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, 34615 + ... + 34774.

It is an arithmetic number, because the mean of its divisors is an integer number (645327).

Almost surely, 2^5551120 is an apocalyptic number.

It is an amenable number.

5551120 is an abundant number, since it is smaller than the sum of its proper divisors (7355420).

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

5551120 is a wasteful number, since it uses less digits than its factorization.

5551120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69402 (or 69396 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5551120 is about 2356.0814926483. The cubic root of 5551120 is about 177.0626141695.

Adding to 5551120 its reverse (211555), we get a palindrome (5762675).

It can be divided in two parts, 5551 and 120, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 5551120 in words is "five million, five hundred fifty-one thousand, one hundred twenty".