280553053 has 16 divisors (see below), whose sum is σ = 313784640. Its totient is φ = 248688000.

The previous prime is 280552999. The next prime is 280553087. The reversal of 280553053 is 350355082.

It is not a de Polignac number, because 280553053 - 2²¹ = 278455901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280553093) 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, 72553 + ... + 76321.

It is an arithmetic number, because the mean of its divisors is an integer number (19611540).

Almost surely, 2^280553053 is an apocalyptic number.

It is an amenable number.

280553053 is a deficient number, since it is larger than the sum of its proper divisors (33231587).

280553053 is a wasteful number, since it uses less digits than its factorization.

280553053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 280553053 is about 16749.7179976261. The cubic root of 280553053 is about 654.6437104316.

The spelling of 280553053 in words is "two hundred eighty million, five hundred fifty-three thousand, fifty-three".