803054557 has 4 divisors (see below), whose sum is σ = 810422140. Its totient is φ = 795686976.

The previous prime is 803054537. The next prime is 803054599. The reversal of 803054557 is 755450308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 663011001 + 140043556 = 25749^2 + 11834^2 .

It is a cyclic number.

It is not a de Polignac number, because 803054557 - 2²⁷ = 668836829 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 (803054507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683628 + ... + 3683845.

It is an arithmetic number, because the mean of its divisors is an integer number (202605535).

Almost surely, 2^803054557 is an apocalyptic number.

It is an amenable number.

803054557 is a deficient number, since it is larger than the sum of its proper divisors (7367583).

803054557 is a wasteful number, since it uses less digits than its factorization.

803054557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367582.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 803054557 is about 28338.2172516198. The cubic root of 803054557 is about 929.4977659767.

The spelling of 803054557 in words is "eight hundred three million, fifty-four thousand, five hundred fifty-seven".