55151624771 has 2 divisors, whose sum is σ = 55151624772. Its totient is φ = 55151624770.

The previous prime is 55151624599. The next prime is 55151624779. The reversal of 55151624771 is 17742615155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55151624771 is a prime.

It is a super-4 number, since 4×55151624771⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (55151624779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575812385 + 27575812386.

It is an arithmetic number, because the mean of its divisors is an integer number (27575812386).

Almost surely, 2^55151624771 is an apocalyptic number.

55151624771 is a deficient number, since it is larger than the sum of its proper divisors (1).

55151624771 is an equidigital number, since it uses as much as digits as its factorization.

55151624771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 44.

The spelling of 55151624771 in words is "fifty-five billion, one hundred fifty-one million, six hundred twenty-four thousand, seven hundred seventy-one".