55162469 has 2 divisors, whose sum is σ = 55162470. Its totient is φ = 55162468.

The previous prime is 55162447. The next prime is 55162477. The reversal of 55162469 is 96426155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 24137569 = 5570^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 55162469 - 2⁸ = 55162213 is a prime.

It is a super-2 number, since 2×55162469² = 6085795972351922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55162439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27581234 + 27581235.

It is an arithmetic number, because the mean of its divisors is an integer number (27581235).

Almost surely, 2^55162469 is an apocalyptic number.

It is an amenable number.

55162469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55162469 is an equidigital number, since it uses as much as digits as its factorization.

55162469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 55162469 is about 7427.1440675404. The cubic root of 55162469 is about 380.6693397098.

The spelling of 55162469 in words is "fifty-five million, one hundred sixty-two thousand, four hundred sixty-nine".