55422659 has 2 divisors, whose sum is σ = 55422660. Its totient is φ = 55422658.

The previous prime is 55422649. The next prime is 55422713. The reversal of 55422659 is 95622455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55422659 - 2⁴ = 55422643 is a prime.

It is a super-2 number, since 2×55422659² = 6143342261260562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55422629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27711329 + 27711330.

It is an arithmetic number, because the mean of its divisors is an integer number (27711330).

Almost surely, 2^55422659 is an apocalyptic number.

55422659 is a deficient number, since it is larger than the sum of its proper divisors (1).

55422659 is an equidigital number, since it uses as much as digits as its factorization.

55422659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 38.

The square root of 55422659 is about 7444.6396151862. The cubic root of 55422659 is about 381.2669140933.

The spelling of 55422659 in words is "fifty-five million, four hundred twenty-two thousand, six hundred fifty-nine".