50662123387 has 4 divisors (see below), whose sum is σ = 50676314056. Its totient is φ = 50647932720.

The previous prime is 50662123381. The next prime is 50662123397. The reversal of 50662123387 is 78332126605.

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 50662123387 - 2¹¹ = 50662121339 is a prime.

It is a super-2 number, since 2×50662123387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50662123381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7089978 + ... + 7097119.

It is an arithmetic number, because the mean of its divisors is an integer number (12669078514).

Almost surely, 2^50662123387 is an apocalyptic number.

50662123387 is a deficient number, since it is larger than the sum of its proper divisors (14190669).

50662123387 is a wasteful number, since it uses less digits than its factorization.

50662123387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190668.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 50662123387 in words is "fifty billion, six hundred sixty-two million, one hundred twenty-three thousand, three hundred eighty-seven".