51222035255 has 4 divisors (see below), whose sum is σ = 61466442312. Its totient is φ = 40977628200.

The previous prime is 51222035231. The next prime is 51222035257. The reversal of 51222035255 is 55253022215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51222035255 - 2¹⁴ = 51222018871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222035257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5122203521 + ... + 5122203530.

It is an arithmetic number, because the mean of its divisors is an integer number (15366610578).

Almost surely, 2^51222035255 is an apocalyptic number.

51222035255 is a deficient number, since it is larger than the sum of its proper divisors (10244407057).

51222035255 is a wasteful number, since it uses less digits than its factorization.

51222035255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244407056.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 51222035255 in words is "fifty-one billion, two hundred twenty-two million, thirty-five thousand, two hundred fifty-five".