55110971 has 2 divisors, whose sum is σ = 55110972. Its totient is φ = 55110970.

The previous prime is 55110961. The next prime is 55110989. The reversal of 55110971 is 17901155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55110971 - 2¹⁴ = 55094587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55110961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555485 + 27555486.

It is an arithmetic number, because the mean of its divisors is an integer number (27555486).

Almost surely, 2^55110971 is an apocalyptic number.

55110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

55110971 is an equidigital number, since it uses as much as digits as its factorization.

55110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 55110971 is about 7423.6763803388. The cubic root of 55110971 is about 380.5508423954.

The spelling of 55110971 in words is "fifty-five million, one hundred ten thousand, nine hundred seventy-one".