2550978 has 24 divisors (see below), whose sum is σ = 5818800. Its totient is φ = 805464.

The previous prime is 2550973. The next prime is 2550991. The reversal of 2550978 is 8790552.

2550978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2550971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (242450).

2^2550978 is an apocalyptic number.

2550978 is an abundant number, since it is smaller than the sum of its proper divisors (3267822).

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

2550978 is a wasteful number, since it uses less digits than its factorization.

2550978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486 (or 7483 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2550978 is about 1597.1781365897. The cubic root of 2550978 is about 136.6371844660.

The spelling of 2550978 in words is "two million, five hundred fifty thousand, nine hundred seventy-eight".