5551520 has 96 divisors (see below), whose sum is σ = 15050448. Its totient is φ = 1916928.

The previous prime is 5551501. The next prime is 5551529. The reversal of 5551520 is 251555.

It can be written as a sum of positive squares in 8 ways, for example, as 1567504 + 3984016 = 1252^2 + 1996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35282 + ... + 35438.

Almost surely, 2^5551520 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 5551520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7525224).

5551520 is an abundant number, since it is smaller than the sum of its proper divisors (9498928).

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

5551520 is a wasteful number, since it uses less digits than its factorization.

5551520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5551520 is about 2356.1663778265. The cubic root of 5551520 is about 177.0668669656.

The spelling of 5551520 in words is "five million, five hundred fifty-one thousand, five hundred twenty".