51506907334 has 4 divisors (see below), whose sum is σ = 77260361004. Its totient is φ = 25753453666.

The previous prime is 51506907317. The next prime is 51506907341. The reversal of 51506907334 is 43370960515.

51506907334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×51506907334⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 12876726832 + ... + 12876726835.

It is an arithmetic number, because the mean of its divisors is an integer number (19315090251).

Almost surely, 2^51506907334 is an apocalyptic number.

51506907334 is a deficient number, since it is larger than the sum of its proper divisors (25753453670).

51506907334 is a wasteful number, since it uses less digits than its factorization.

51506907334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25753453669.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 51506907334 in words is "fifty-one billion, five hundred six million, nine hundred seven thousand, three hundred thirty-four".