55965379 has 2 divisors, whose sum is σ = 55965380. Its totient is φ = 55965378.

The previous prime is 55965353. The next prime is 55965401. The reversal of 55965379 is 97356955.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55965379 - 2⁵ = 55965347 is a prime.

It is a super-2 number, since 2×55965379² = 6264247293227282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55965079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982689 + 27982690.

It is an arithmetic number, because the mean of its divisors is an integer number (27982690).

Almost surely, 2^55965379 is an apocalyptic number.

55965379 is a deficient number, since it is larger than the sum of its proper divisors (1).

55965379 is an equidigital number, since it uses as much as digits as its factorization.

55965379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1275750, while the sum is 49.

The square root of 55965379 is about 7481.0012030476. The cubic root of 55965379 is about 382.5073779316.

The spelling of 55965379 in words is "fifty-five million, nine hundred sixty-five thousand, three hundred seventy-nine".