55651679 has 2 divisors, whose sum is σ = 55651680. Its totient is φ = 55651678.

The previous prime is 55651669. The next prime is 55651699. The reversal of 55651679 is 97615655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55651679 - 2⁸ = 55651423 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55651639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825839 + 27825840.

It is an arithmetic number, because the mean of its divisors is an integer number (27825840).

Almost surely, 2^55651679 is an apocalyptic number.

55651679 is a deficient number, since it is larger than the sum of its proper divisors (1).

55651679 is an equidigital number, since it uses as much as digits as its factorization.

55651679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 44.

The square root of 55651679 is about 7460.0052949043. The cubic root of 55651679 is about 381.7913551361.

The spelling of 55651679 in words is "fifty-five million, six hundred fifty-one thousand, six hundred seventy-nine".