51888571867 has 8 divisors (see below), whose sum is σ = 56776732992. Its totient is φ = 47028913800.

The previous prime is 51888571853. The next prime is 51888571877. The reversal of 51888571867 is 76817588815.

51888571867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51888571867 - 2¹⁹ = 51888047579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51888571799 and 51888571808.

It is not an unprimeable number, because it can be changed into a prime (51888571877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7121953 + ... + 7129234.

It is an arithmetic number, because the mean of its divisors is an integer number (7097091624).

Almost surely, 2^51888571867 is an apocalyptic number.

51888571867 is a deficient number, since it is larger than the sum of its proper divisors (4888161125).

51888571867 is a wasteful number, since it uses less digits than its factorization.

51888571867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251529.

The product of its digits is 30105600, while the sum is 64.

The spelling of 51888571867 in words is "fifty-one billion, eight hundred eighty-eight million, five hundred seventy-one thousand, eight hundred sixty-seven".