51423555141 has 72 divisors (see below), whose sum is σ = 87275335680. Its totient is φ = 29090166336.

The previous prime is 51423555137. The next prime is 51423555167. The reversal of 51423555141 is 14155532415.

51423555141 is a `hidden beast` number, since 51 + 42 + 3 + 55 + 514 + 1 = 666.

It is not a de Polignac number, because 51423555141 - 2² = 51423555137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51423555096 and 51423555105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51423555941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40268395 + ... + 40269671.

It is an arithmetic number, because the mean of its divisors is an integer number (1212157440).

Almost surely, 2^51423555141 is an apocalyptic number.

It is an amenable number.

51423555141 is a deficient number, since it is larger than the sum of its proper divisors (35851780539).

51423555141 is a wasteful number, since it uses less digits than its factorization.

51423555141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2133 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 51423555141 in words is "fifty-one billion, four hundred twenty-three million, five hundred fifty-five thousand, one hundred forty-one".