55351 has 2 divisors, whose sum is σ = 55352. Its totient is φ = 55350.

The previous prime is 55343. The next prime is 55373. The reversal of 55351 is 15355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55351 - 2³ = 55343 is a prime.

It is a Chen prime.

55351 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27675 + 27676.

It is an arithmetic number, because the mean of its divisors is an integer number (27676).

2⁵⁵³⁵¹ is an apocalyptic number.

55351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55351 is an equidigital number, since it uses as much as digits as its factorization.

55351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 375, while the sum is 19.

The square root of 55351 is about 235.2679323665. The cubic root of 55351 is about 38.1102522911.

It can be divided in two parts, 553 and 51, that multiplied together give a triangular number (28203 = T₂₃₇).

The spelling of 55351 in words is "fifty-five thousand, three hundred fifty-one".