55073069 has 2 divisors, whose sum is σ = 55073070. Its totient is φ = 55073068.

The previous prime is 55073027. The next prime is 55073071. The reversal of 55073069 is 96037055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 15697444 = 6275^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 55073069 - 2²⁴ = 38295853 is a prime.

It is a super-2 number, since 2×55073069² = 6066085858157522, which contains 22 as substring.

Together with 55073071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55073099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27536534 + 27536535.

It is an arithmetic number, because the mean of its divisors is an integer number (27536535).

Almost surely, 2^55073069 is an apocalyptic number.

It is an amenable number.

55073069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55073069 is an equidigital number, since it uses as much as digits as its factorization.

55073069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 55073069 is about 7421.1231629720. The cubic root of 55073069 is about 380.4635824204.

The spelling of 55073069 in words is "fifty-five million, seventy-three thousand, sixty-nine".