51667230425 has 24 divisors (see below), whose sum is σ = 66258854400. Its totient is φ = 39942190080.

The previous prime is 51667230389. The next prime is 51667230427. The reversal of 51667230425 is 52403276615.

It is not a de Polignac number, because 51667230425 - 2¹⁰ = 51667229401 is a prime.

It is a super-3 number, since 3×51667230425³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51667230427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185480 + ... + 371129.

It is an arithmetic number, because the mean of its divisors is an integer number (2760785600).

Almost surely, 2^51667230425 is an apocalyptic number.

It is an amenable number.

51667230425 is a deficient number, since it is larger than the sum of its proper divisors (14591623975).

51667230425 is a wasteful number, since it uses less digits than its factorization.

51667230425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556745 (or 556740 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 51667230425 in words is "fifty-one billion, six hundred sixty-seven million, two hundred thirty thousand, four hundred twenty-five".