51575417425 has 12 divisors (see below), whose sum is σ = 73089734656. Its totient is φ = 35366000400.

The previous prime is 51575417389. The next prime is 51575417471. The reversal of 51575417425 is 52471457515.

It is a happy number.

It is not a de Polignac number, because 51575417425 - 2¹³ = 51575409233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147358161 + ... + 147358510.

Almost surely, 2^51575417425 is an apocalyptic number.

It is an amenable number.

51575417425 is a deficient number, since it is larger than the sum of its proper divisors (21514317231).

51575417425 is a wasteful number, since it uses less digits than its factorization.

51575417425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294716688 (or 294716683 counting only the distinct ones).

The product of its digits is 980000, while the sum is 46.

The spelling of 51575417425 in words is "fifty-one billion, five hundred seventy-five million, four hundred seventeen thousand, four hundred twenty-five".