55354501 has 2 divisors, whose sum is σ = 55354502. Its totient is φ = 55354500.

The previous prime is 55354493. The next prime is 55354547. The reversal of 55354501 is 10545355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 5313025 = 7074^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 55354501 - 2³ = 55354493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55354501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55354001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27677250 + 27677251.

It is an arithmetic number, because the mean of its divisors is an integer number (27677251).

Almost surely, 2^55354501 is an apocalyptic number.

It is an amenable number.

55354501 is a deficient number, since it is larger than the sum of its proper divisors (1).

55354501 is an equidigital number, since it uses as much as digits as its factorization.

55354501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55354501 is about 7440.0605508289. The cubic root of 55354501 is about 381.1105577663.

Adding to 55354501 its reverse (10545355), we get a palindrome (65899856).

It can be divided in two parts, 55354 and 501, that added together give a palindrome (55855).

The spelling of 55354501 in words is "fifty-five million, three hundred fifty-four thousand, five hundred one".