55316983 has 2 divisors, whose sum is σ = 55316984. Its totient is φ = 55316982.

The previous prime is 55316981. The next prime is 55317061. The reversal of 55316983 is 38961355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55316983 - 2¹ = 55316981 is a prime.

Together with 55316981, 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 (55316981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658491 + 27658492.

It is an arithmetic number, because the mean of its divisors is an integer number (27658492).

Almost surely, 2^55316983 is an apocalyptic number.

55316983 is a deficient number, since it is larger than the sum of its proper divisors (1).

55316983 is an equidigital number, since it uses as much as digits as its factorization.

55316983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The square root of 55316983 is about 7437.5387730082. The cubic root of 55316983 is about 381.0244356668.

The spelling of 55316983 in words is "fifty-five million, three hundred sixteen thousand, nine hundred eighty-three".