55652297 has 2 divisors, whose sum is σ = 55652298. Its totient is φ = 55652296.

The previous prime is 55652287. The next prime is 55652299. The reversal of 55652297 is 79225655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 2886601 = 7264^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 55652297 - 2¹⁴ = 55635913 is a prime.

It is a super-2 number, since 2×55652297² = 6194356322752418, which contains 22 as substring.

Together with 55652299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55652299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27826148 + 27826149.

It is an arithmetic number, because the mean of its divisors is an integer number (27826149).

Almost surely, 2^55652297 is an apocalyptic number.

It is an amenable number.

55652297 is a deficient number, since it is larger than the sum of its proper divisors (1).

55652297 is an equidigital number, since it uses as much as digits as its factorization.

55652297 is an evil number, because the sum of its binary digits is even.

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

The square root of 55652297 is about 7460.0467156714. The cubic root of 55652297 is about 381.7927683680.

The spelling of 55652297 in words is "fifty-five million, six hundred fifty-two thousand, two hundred ninety-seven".