50388653513 has 24 divisors (see below), whose sum is σ = 56103370848. Its totient is φ = 45215456000.

The previous prime is 50388653501. The next prime is 50388653519. The reversal of 50388653513 is 31535688305.

It is not a de Polignac number, because 50388653513 - 2⁶ = 50388653449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50388653519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20898278 + ... + 20900688.

It is an arithmetic number, because the mean of its divisors is an integer number (2337640452).

Almost surely, 2^50388653513 is an apocalyptic number.

It is an amenable number.

50388653513 is a deficient number, since it is larger than the sum of its proper divisors (5714717335).

50388653513 is a wasteful number, since it uses less digits than its factorization.

50388653513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4586 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 50388653513 in words is "fifty billion, three hundred eighty-eight million, six hundred fifty-three thousand, five hundred thirteen".