55024891 has 2 divisors, whose sum is σ = 55024892. Its totient is φ = 55024890.

The previous prime is 55024877. The next prime is 55024913. The reversal of 55024891 is 19842055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55024891 - 2⁵ = 55024859 is a prime.

It is not a weakly prime, because it can be changed into another prime (55024841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512445 + 27512446.

It is an arithmetic number, because the mean of its divisors is an integer number (27512446).

Almost surely, 2^55024891 is an apocalyptic number.

55024891 is a deficient number, since it is larger than the sum of its proper divisors (1).

55024891 is an equidigital number, since it uses as much as digits as its factorization.

55024891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 55024891 is about 7417.8764481488. The cubic root of 55024891 is about 380.3526066904.

The spelling of 55024891 in words is "fifty-five million, twenty-four thousand, eight hundred ninety-one".