2755900 has 72 divisors (see below), whose sum is σ = 7110656. Its totient is φ = 907200.

The previous prime is 2755891. The next prime is 2755943. The reversal of 2755900 is 95572.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21637 + ... + 21763.

2^2755900 is an apocalyptic number.

2755900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555328).

2755900 is an abundant number, since it is smaller than the sum of its proper divisors (4354756).

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

2755900 is a wasteful number, since it uses less digits than its factorization.

2755900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2755900 is about 1660.0903589865. The cubic root of 2755900 is about 140.2020890977.

It can be divided in two parts, 2755 and 900, that added together give a triangular number (3655 = T₈₅).

The spelling of 2755900 in words is "two million, seven hundred fifty-five thousand, nine hundred".