51943920335 has 16 divisors (see below), whose sum is σ = 62766187200. Its totient is φ = 41266283520.

The previous prime is 51943920277. The next prime is 51943920373. The reversal of 51943920335 is 53302934915.

It is not a de Polignac number, because 51943920335 - 2¹⁸ = 51943658191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5503070 + ... + 5512500.

It is an arithmetic number, because the mean of its divisors is an integer number (3922886700).

Almost surely, 2^51943920335 is an apocalyptic number.

51943920335 is a deficient number, since it is larger than the sum of its proper divisors (10822266865).

51943920335 is a wasteful number, since it uses less digits than its factorization.

51943920335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16978.

The product of its (nonzero) digits is 437400, while the sum is 44.

The spelling of 51943920335 in words is "fifty-one billion, nine hundred forty-three million, nine hundred twenty thousand, three hundred thirty-five".