51510056601 has 16 divisors (see below), whose sum is σ = 69092831808. Its totient is φ = 34134072000.

The previous prime is 51510056581. The next prime is 51510056629. The reversal of 51510056601 is 10665001515.

It is not a de Polignac number, because 51510056601 - 2¹⁴ = 51510040217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51510056671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453451 + ... + 555551.

It is an arithmetic number, because the mean of its divisors is an integer number (4318301988).

Almost surely, 2^51510056601 is an apocalyptic number.

It is an amenable number.

51510056601 is a deficient number, since it is larger than the sum of its proper divisors (17582775207).

51510056601 is a wasteful number, since it uses less digits than its factorization.

51510056601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103112.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51510056601 in words is "fifty-one billion, five hundred ten million, fifty-six thousand, six hundred one".