55054697 has 2 divisors, whose sum is σ = 55054698. Its totient is φ = 55054696.

The previous prime is 55054693. The next prime is 55054819. The reversal of 55054697 is 79645055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 1413721 = 7324^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 55054697 - 2² = 55054693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55054693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527348 + 27527349.

It is an arithmetic number, because the mean of its divisors is an integer number (27527349).

Almost surely, 2^55054697 is an apocalyptic number.

It is an amenable number.

55054697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55054697 is an equidigital number, since it uses as much as digits as its factorization.

55054697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55054697 is about 7419.8852417002. The cubic root of 55054697 is about 380.4212710301.

The spelling of 55054697 in words is "fifty-five million, fifty-four thousand, six hundred ninety-seven".