51333467801 has 16 divisors (see below), whose sum is σ = 67764885120. Its totient is φ = 37647156480.

The previous prime is 51333467789. The next prime is 51333467831. The reversal of 51333467801 is 10876433315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51333467801 - 2¹⁸ = 51333205657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51333467831) 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, 19606586 + ... + 19609203.

It is an arithmetic number, because the mean of its divisors is an integer number (4235305320).

Almost surely, 2^51333467801 is an apocalyptic number.

It is an amenable number.

51333467801 is a deficient number, since it is larger than the sum of its proper divisors (16431417319).

51333467801 is a wasteful number, since it uses less digits than its factorization.

51333467801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39215824.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 51333467801 in words is "fifty-one billion, three hundred thirty-three million, four hundred sixty-seven thousand, eight hundred one".