55616479 has 2 divisors, whose sum is σ = 55616480. Its totient is φ = 55616478.

The previous prime is 55616447. The next prime is 55616549. The reversal of 55616479 is 97461655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55616479 - 2⁵ = 55616447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55616279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808239 + 27808240.

It is an arithmetic number, because the mean of its divisors is an integer number (27808240).

Almost surely, 2^55616479 is an apocalyptic number.

55616479 is a deficient number, since it is larger than the sum of its proper divisors (1).

55616479 is an equidigital number, since it uses as much as digits as its factorization.

55616479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 55616479 is about 7457.6456740717. The cubic root of 55616479 is about 381.7108430990.

The spelling of 55616479 in words is "fifty-five million, six hundred sixteen thousand, four hundred seventy-nine".