51725775057 has 8 divisors (see below), whose sum is σ = 75237491040. Its totient is φ = 31348954560.

The previous prime is 51725775041. The next prime is 51725775083. The reversal of 51725775057 is 75057752715.

It is a happy number.

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

It is not a de Polignac number, because 51725775057 - 2⁴ = 51725775041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51725777057) 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, 783723832 + ... + 783723897.

It is an arithmetic number, because the mean of its divisors is an integer number (9404686380).

Almost surely, 2^51725775057 is an apocalyptic number.

It is an amenable number.

51725775057 is a deficient number, since it is larger than the sum of its proper divisors (23511715983).

51725775057 is a wasteful number, since it uses less digits than its factorization.

51725775057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567447743.

The product of its (nonzero) digits is 3001250, while the sum is 51.

The spelling of 51725775057 in words is "fifty-one billion, seven hundred twenty-five million, seven hundred seventy-five thousand, fifty-seven".