51457123757177 has 8 divisors (see below), whose sum is σ = 51645593684160. Its totient is φ = 51268741234480.

The previous prime is 51457123757167. The next prime is 51457123757293. The reversal of 51457123757177 is 77175732175415.

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

It is a cyclic number.

It is not a de Polignac number, because 51457123757177 - 2¹² = 51457123753081 is a prime.

It is a super-2 number, since 2×51457123757177² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51457123757167) 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, 20671349 + ... + 23026482.

It is an arithmetic number, because the mean of its divisors is an integer number (6455699210520).

Almost surely, 2^{51457123757177} is an apocalyptic number.

It is an amenable number.

51457123757177 is a deficient number, since it is larger than the sum of its proper divisors (188469926983).

51457123757177 is a wasteful number, since it uses less digits than its factorization.

51457123757177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43702143.

The product of its digits is 50421000, while the sum is 62.

The spelling of 51457123757177 in words is "fifty-one trillion, four hundred fifty-seven billion, one hundred twenty-three million, seven hundred fifty-seven thousand, one hundred seventy-seven".