53788332518 has 4 divisors (see below), whose sum is σ = 80682498780. Its totient is φ = 26894166258.

The previous prime is 53788332491. The next prime is 53788332557. The reversal of 53788332518 is 81523388735.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53788332518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13447083128 + ... + 13447083131.

It is an arithmetic number, because the mean of its divisors is an integer number (20170624695).

Almost surely, 2^53788332518 is an apocalyptic number.

53788332518 is a deficient number, since it is larger than the sum of its proper divisors (26894166262).

53788332518 is a wasteful number, since it uses less digits than its factorization.

53788332518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894166261.

The product of its digits is 4838400, while the sum is 53.

The spelling of 53788332518 in words is "fifty-three billion, seven hundred eighty-eight million, three hundred thirty-two thousand, five hundred eighteen".