282780055 has 16 divisors (see below), whose sum is σ = 354760704. Its totient is φ = 215978400.

The previous prime is 282780053. The next prime is 282780077. The reversal of 282780055 is 550087282.

It is not a de Polignac number, because 282780055 - 2¹ = 282780053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 282779996 and 282780023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282780053) 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, 67780 + ... + 71830.

It is an arithmetic number, because the mean of its divisors is an integer number (22172544).

Almost surely, 2^282780055 is an apocalyptic number.

282780055 is a deficient number, since it is larger than the sum of its proper divisors (71980649).

282780055 is a wasteful number, since it uses less digits than its factorization.

282780055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 282780055 is about 16816.0653840308. The cubic root of 282780055 is about 656.3713126600.

The spelling of 282780055 in words is "two hundred eighty-two million, seven hundred eighty thousand, fifty-five".