51544040134 has 4 divisors (see below), whose sum is σ = 77316060204. Its totient is φ = 25772020066.

The previous prime is 51544040113. The next prime is 51544040147. The reversal of 51544040134 is 43104044515.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 51544040096 and 51544040105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12886010032 + ... + 12886010035.

It is an arithmetic number, because the mean of its divisors is an integer number (19329015051).

Almost surely, 2^51544040134 is an apocalyptic number.

51544040134 is a deficient number, since it is larger than the sum of its proper divisors (25772020070).

51544040134 is a wasteful number, since it uses less digits than its factorization.

51544040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25772020069.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 51544040134 its reverse (43104044515), we get a palindrome (94648084649).

The spelling of 51544040134 in words is "fifty-one billion, five hundred forty-four million, forty thousand, one hundred thirty-four".