55611827 has 2 divisors, whose sum is σ = 55611828. Its totient is φ = 55611826.

The previous prime is 55611797. The next prime is 55611839. The reversal of 55611827 is 72811655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55611827 - 2¹⁴ = 55595443 is a prime.

It is not a weakly prime, because it can be changed into another prime (55611847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805913 + 27805914.

It is an arithmetic number, because the mean of its divisors is an integer number (27805914).

Almost surely, 2^55611827 is an apocalyptic number.

55611827 is a deficient number, since it is larger than the sum of its proper divisors (1).

55611827 is an equidigital number, since it uses as much as digits as its factorization.

55611827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 55611827 is about 7457.3337728708. Note that the first 3 decimals coincide. The cubic root of 55611827 is about 381.7002001602.

The spelling of 55611827 in words is "fifty-five million, six hundred eleven thousand, eight hundred twenty-seven".