5551040 has 112 divisors (see below), whose sum is σ = 15361920. Its totient is φ = 1889280.

The previous prime is 5551037. The next prime is 5551057. The reversal of 5551040 is 401555.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66839 + ... + 66921.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

Almost surely, 2^5551040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680960).

5551040 is an abundant number, since it is smaller than the sum of its proper divisors (9810880).

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

5551040 is a wasteful number, since it uses less digits than its factorization.

5551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5551040 is about 2356.0645152457. The cubic root of 5551040 is about 177.0617635858.

Adding to 5551040 its reverse (401555), we get a palindrome (5952595).

The spelling of 5551040 in words is "five million, five hundred fifty-one thousand, forty".