51225303306455 has 8 divisors (see below), whose sum is σ = 61479368016912. Its totient is φ = 40974239945728.

The previous prime is 51225303306449. The next prime is 51225303306503. The reversal of 51225303306455 is 55460330352215.

It is a happy number.

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 51225303306455 - 2¹⁴ = 51225303290071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750299882 + ... + 750368151.

It is an arithmetic number, because the mean of its divisors is an integer number (7684921002114).

Almost surely, 2^{51225303306455} is an apocalyptic number.

51225303306455 is a deficient number, since it is larger than the sum of its proper divisors (10254064710457).

51225303306455 is a wasteful number, since it uses less digits than its factorization.

51225303306455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500674865.

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 51225303306455 in words is "fifty-one trillion, two hundred twenty-five billion, three hundred three million, three hundred six thousand, four hundred fifty-five".