51122455455 has 8 divisors (see below), whose sum is σ = 81795928752. Its totient is φ = 27265309568.

The previous prime is 51122455451. The next prime is 51122455487. The reversal of 51122455455 is 55455422115.

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 51122455455 - 2² = 51122455451 is a prime.

It is a super-2 number, since 2×51122455455² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122455451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704081834 + ... + 1704081863.

It is an arithmetic number, because the mean of its divisors is an integer number (10224491094).

Almost surely, 2^51122455455 is an apocalyptic number.

51122455455 is a deficient number, since it is larger than the sum of its proper divisors (30673473297).

51122455455 is a wasteful number, since it uses less digits than its factorization.

51122455455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408163705.

The product of its digits is 200000, while the sum is 39.

The spelling of 51122455455 in words is "fifty-one billion, one hundred twenty-two million, four hundred fifty-five thousand, four hundred fifty-five".