48392139551 has 4 divisors (see below), whose sum is σ = 55305302352. Its totient is φ = 41478976752.

The previous prime is 48392139503. The next prime is 48392139557. The reversal of 48392139551 is 15593129384.

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

It is a cyclic number.

It is not a de Polignac number, because 48392139551 - 2⁶ = 48392139487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48392139551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48392139557) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3456581390 + ... + 3456581403.

It is an arithmetic number, because the mean of its divisors is an integer number (13826325588).

Almost surely, 2^48392139551 is an apocalyptic number.

48392139551 is a deficient number, since it is larger than the sum of its proper divisors (6913162801).

48392139551 is an equidigital number, since it uses as much as digits as its factorization.

48392139551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913162800.

The product of its digits is 1166400, while the sum is 50.

The spelling of 48392139551 in words is "forty-eight billion, three hundred ninety-two million, one hundred thirty-nine thousand, five hundred fifty-one".