53788332506 has 4 divisors (see below), whose sum is σ = 80682498762. Its totient is φ = 26894166252.

The previous prime is 53788332491. The next prime is 53788332557. The reversal of 53788332506 is 60523388735.

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

It can be written as a sum of positive squares in only one way, i.e., 51805856881 + 1982475625 = 227609^2 + 44525^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13447083125 + ... + 13447083128.

Almost surely, 2^53788332506 is an apocalyptic number.

53788332506 is a deficient number, since it is larger than the sum of its proper divisors (26894166256).

53788332506 is a wasteful number, since it uses less digits than its factorization.

53788332506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894166255.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 53788332506 in words is "fifty-three billion, seven hundred eighty-eight million, three hundred thirty-two thousand, five hundred six".