51544315634 has 8 divisors (see below), whose sum is σ = 88361683968. Its totient is φ = 22090420980.

The previous prime is 51544315591. The next prime is 51544315637. The reversal of 51544315634 is 43651344515.

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

It is a junction number, because it is equal to n+sod(n) for n = 51544315591 and 51544315600.

It is not an unprimeable number, because it can be changed into a prime (51544315637) 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, 1840868402 + ... + 1840868429.

It is an arithmetic number, because the mean of its divisors is an integer number (11045210496).

Almost surely, 2^51544315634 is an apocalyptic number.

51544315634 is a deficient number, since it is larger than the sum of its proper divisors (36817368334).

51544315634 is a wasteful number, since it uses less digits than its factorization.

51544315634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681736840.

The product of its digits is 432000, while the sum is 41.

The spelling of 51544315634 in words is "fifty-one billion, five hundred forty-four million, three hundred fifteen thousand, six hundred thirty-four".