53555832782 has 4 divisors (see below), whose sum is σ = 80333749176. Its totient is φ = 26777916390.

The previous prime is 53555832749. The next prime is 53555832809. The reversal of 53555832782 is 28723855535.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13388958194 + ... + 13388958197.

It is an arithmetic number, because the mean of its divisors is an integer number (20083437294).

Almost surely, 2^53555832782 is an apocalyptic number.

53555832782 is a deficient number, since it is larger than the sum of its proper divisors (26777916394).

53555832782 is a wasteful number, since it uses less digits than its factorization.

53555832782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26777916393.

The product of its digits is 10080000, while the sum is 53.

The spelling of 53555832782 in words is "fifty-three billion, five hundred fifty-five million, eight hundred thirty-two thousand, seven hundred eighty-two".