51418029527 has 4 divisors (see below), whose sum is σ = 51443702040. Its totient is φ = 51392357016.

The previous prime is 51418029517. The next prime is 51418029557. The reversal of 51418029527 is 72592081415.

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 51418029527 - 2¹⁰ = 51418028503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51418029517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12833252 + ... + 12837257.

It is an arithmetic number, because the mean of its divisors is an integer number (12860925510).

Almost surely, 2^51418029527 is an apocalyptic number.

51418029527 is a deficient number, since it is larger than the sum of its proper divisors (25672513).

51418029527 is a wasteful number, since it uses less digits than its factorization.

51418029527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25672512.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 51418029527 in words is "fifty-one billion, four hundred eighteen million, twenty-nine thousand, five hundred twenty-seven".