55004351 has 2 divisors, whose sum is σ = 55004352. Its totient is φ = 55004350.

The previous prime is 55004309. The next prime is 55004357. The reversal of 55004351 is 15340055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55004351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55004357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502175 + 27502176.

It is an arithmetic number, because the mean of its divisors is an integer number (27502176).

Almost surely, 2^55004351 is an apocalyptic number.

55004351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55004351 is an equidigital number, since it uses as much as digits as its factorization.

55004351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55004351 is about 7416.4918256545. The cubic root of 55004351 is about 380.3052740821.

It can be divided in two parts, 55004 and 351, that added together give a palindrome (55355).

The spelling of 55004351 in words is "fifty-five million, four thousand, three hundred fifty-one".