55051 has 2 divisors, whose sum is σ = 55052. Its totient is φ = 55050.

The previous prime is 55049. The next prime is 55057. The reversal of 55051 is 15055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55051 - 2¹ = 55049 is a prime.

It is a super-2 number, since 2×55051² = 6061225202, which contains 22 as substring.

Together with 55049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525 + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (27526).

2⁵⁵⁰⁵¹ is an apocalyptic number.

55051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55051 is an equidigital number, since it uses as much as digits as its factorization.

55051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 55051 is about 234.6294951621. The cubic root of 55051 is about 38.0412755566.

The spelling of 55051 in words is "fifty-five thousand, fifty-one".