2553750 has 60 divisors (see below), whose sum is σ = 6944652. Its totient is φ = 678000.

The previous prime is 2553739. The next prime is 2553751. The reversal of 2553750 is 573552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553751) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11137 + ... + 11363.

2^2553750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2553750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472326).

2553750 is an abundant number, since it is smaller than the sum of its proper divisors (4390902).

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

2553750 is a wasteful number, since it uses less digits than its factorization.

2553750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 2553750 is about 1598.0456814497. The cubic root of 2553750 is about 136.6866584542.

It can be divided in two parts, 255 and 3750, that added together give a triangular number (4005 = T₈₉).

The spelling of 2553750 in words is "two million, five hundred fifty-three thousand, seven hundred fifty".