55611659 has 2 divisors, whose sum is σ = 55611660. Its totient is φ = 55611658.

The previous prime is 55611653. The next prime is 55611667. The reversal of 55611659 is 95611655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55611659 - 2⁴ = 55611643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55611653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805829 + 27805830.

It is an arithmetic number, because the mean of its divisors is an integer number (27805830).

Almost surely, 2^55611659 is an apocalyptic number.

55611659 is a deficient number, since it is larger than the sum of its proper divisors (1).

55611659 is an equidigital number, since it uses as much as digits as its factorization.

55611659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 38.

The square root of 55611659 is about 7457.3225087829. The cubic root of 55611659 is about 381.6998157953.

The spelling of 55611659 in words is "fifty-five million, six hundred eleven thousand, six hundred fifty-nine".