51662604523377 has 16 divisors (see below), whose sum is σ = 70057728000000. Its totient is φ = 33854721011664.

The previous prime is 51662604523331. The next prime is 51662604523391. The reversal of 51662604523377 is 77332540626615.

It is not a de Polignac number, because 51662604523377 - 2¹⁴ = 51662604506993 is a prime.

It is a super-2 number, since 2×51662604523377² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51662604523177) 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, 12193377 + ... + 15874622.

It is an arithmetic number, because the mean of its divisors is an integer number (4378608000000).

Almost surely, 2^{51662604523377} is an apocalyptic number.

It is an amenable number.

51662604523377 is a deficient number, since it is larger than the sum of its proper divisors (18395123476623).

51662604523377 is a wasteful number, since it uses less digits than its factorization.

51662604523377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28078460.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 51662604523377 in words is "fifty-one trillion, six hundred sixty-two billion, six hundred four million, five hundred twenty-three thousand, three hundred seventy-seven".