55012122047 has 2 divisors, whose sum is σ = 55012122048. Its totient is φ = 55012122046.

The previous prime is 55012122041. The next prime is 55012122071. The reversal of 55012122047 is 74022121055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55012122047 - 2¹⁶ = 55012056511 is a prime.

It is a super-2 number, since 2×55012122047² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55012122041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27506061023 + 27506061024.

It is an arithmetic number, because the mean of its divisors is an integer number (27506061024).

Almost surely, 2^55012122047 is an apocalyptic number.

55012122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

55012122047 is an equidigital number, since it uses as much as digits as its factorization.

55012122047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 55012122047 in words is "fifty-five billion, twelve million, one hundred twenty-two thousand, forty-seven".