51885142059 has 8 divisors (see below), whose sum is σ = 69398424720. Its totient is φ = 34480977056.

The previous prime is 51885142021. The next prime is 51885142063. The reversal of 51885142059 is 95024158815.

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

It is a cyclic number.

It is not a de Polignac number, because 51885142059 - 2²⁹ = 51348271147 is a prime.

It is a super-2 number, since 2×51885142059² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51885141999 and 51885142017.

It is not an unprimeable number, because it can be changed into a prime (51885142459) 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, 27278304 + ... + 27280205.

It is an arithmetic number, because the mean of its divisors is an integer number (8674803090).

Almost surely, 2^51885142059 is an apocalyptic number.

51885142059 is a deficient number, since it is larger than the sum of its proper divisors (17513282661).

51885142059 is a wasteful number, since it uses less digits than its factorization.

51885142059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54558829.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 51885142059 in words is "fifty-one billion, eight hundred eighty-five million, one hundred forty-two thousand, fifty-nine".