55576069 has 2 divisors, whose sum is σ = 55576070. Its totient is φ = 55576068.

The previous prime is 55576067. The next prime is 55576117. The reversal of 55576069 is 96067555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 24383844 = 5585^2 + 4938^2 .

It is a cyclic number.

It is not a de Polignac number, because 55576069 - 2¹ = 55576067 is a prime.

It is a super-2 number, since 2×55576069² = 6177398890985522, which contains 22 as substring.

Together with 55576067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55576061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27788034 + 27788035.

It is an arithmetic number, because the mean of its divisors is an integer number (27788035).

Almost surely, 2^55576069 is an apocalyptic number.

It is an amenable number.

55576069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55576069 is an equidigital number, since it uses as much as digits as its factorization.

55576069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 55576069 is about 7454.9358816827. The cubic root of 55576069 is about 381.6183724693.

The spelling of 55576069 in words is "fifty-five million, five hundred seventy-six thousand, sixty-nine".