55883591 has 2 divisors, whose sum is σ = 55883592. Its totient is φ = 55883590.

The previous prime is 55883587. The next prime is 55883593. The reversal of 55883591 is 19538855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55883591 - 2² = 55883587 is a prime.

Together with 55883593, 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 (55883593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27941795 + 27941796.

It is an arithmetic number, because the mean of its divisors is an integer number (27941796).

Almost surely, 2^55883591 is an apocalyptic number.

55883591 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883591 is an equidigital number, since it uses as much as digits as its factorization.

55883591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 44.

The square root of 55883591 is about 7475.5328238193. The cubic root of 55883591 is about 382.3209545503.

The spelling of 55883591 in words is "fifty-five million, eight hundred eighty-three thousand, five hundred ninety-one".