2552550 has 192 divisors, whose sum is σ = 8999424. Its totient is φ = 460800.

The previous prime is 2552531. The next prime is 2552581. The reversal of 2552550 is 552552.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2552550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 150142 + ... + 150158.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2^2552550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712).

2552550 is an abundant number, since it is smaller than the sum of its proper divisors (6446874).

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

2552550 is a wasteful number, since it uses less digits than its factorization.

2552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 2552550 is about 1597.6701787290. The cubic root of 2552550 is about 136.6652455401.

The spelling of 2552550 in words is "two million, five hundred fifty-two thousand, five hundred fifty".