55698361 has 2 divisors, whose sum is σ = 55698362. Its totient is φ = 55698360.

The previous prime is 55698353. The next prime is 55698427. The reversal of 55698361 is 16389655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 22278400 = 5781^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 55698361 - 2³ = 55698353 is a prime.

It is not a weakly prime, because it can be changed into another prime (55698311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27849180 + 27849181.

It is an arithmetic number, because the mean of its divisors is an integer number (27849181).

Almost surely, 2^55698361 is an apocalyptic number.

It is an amenable number.

55698361 is a deficient number, since it is larger than the sum of its proper divisors (1).

55698361 is an equidigital number, since it uses as much as digits as its factorization.

55698361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 55698361 is about 7463.1334572015. The cubic root of 55698361 is about 381.8980773008.

The spelling of 55698361 in words is "fifty-five million, six hundred ninety-eight thousand, three hundred sixty-one".