51306653103 has 8 divisors (see below), whose sum is σ = 70077380016. Its totient is φ = 33370180800.

The previous prime is 51306653093. The next prime is 51306653129. The reversal of 51306653103 is 30135660315.

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

It is not a de Polignac number, because 51306653103 - 2⁴ = 51306653087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51306653143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208563508 + ... + 208563753.

It is an arithmetic number, because the mean of its divisors is an integer number (8759672502).

Almost surely, 2^51306653103 is an apocalyptic number.

51306653103 is a deficient number, since it is larger than the sum of its proper divisors (18770726913).

51306653103 is a wasteful number, since it uses less digits than its factorization.

51306653103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417127305.

The product of its (nonzero) digits is 24300, while the sum is 33.

The spelling of 51306653103 in words is "fifty-one billion, three hundred six million, six hundred fifty-three thousand, one hundred three".