51650623205401 has 4 divisors (see below), whose sum is σ = 56346134405904. Its totient is φ = 46955112004900.

The previous prime is 51650623205273. The next prime is 51650623205407. The reversal of 51650623205401 is 10450232605615.

51650623205401 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51650623205401 - 2⁷ = 51650623205273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51650623205407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347755600235 + ... + 2347755600256.

It is an arithmetic number, because the mean of its divisors is an integer number (14086533601476).

Almost surely, 2^{51650623205401} is an apocalyptic number.

It is an amenable number.

51650623205401 is a deficient number, since it is larger than the sum of its proper divisors (4695511200503).

51650623205401 is a wasteful number, since it uses less digits than its factorization.

51650623205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695511200502.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 51650623205401 in words is "fifty-one trillion, six hundred fifty billion, six hundred twenty-three million, two hundred five thousand, four hundred one".