55548307 has 2 divisors, whose sum is σ = 55548308. Its totient is φ = 55548306.

The previous prime is 55548277. The next prime is 55548319. The reversal of 55548307 is 70384555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55548307 - 2²³ = 47159699 is a prime.

It is a super-2 number, since 2×55548307² = 6171228821132498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55548377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27774153 + 27774154.

It is an arithmetic number, because the mean of its divisors is an integer number (27774154).

Almost surely, 2^55548307 is an apocalyptic number.

55548307 is a deficient number, since it is larger than the sum of its proper divisors (1).

55548307 is an equidigital number, since it uses as much as digits as its factorization.

55548307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 55548307 is about 7453.0736612488. The cubic root of 55548307 is about 381.5548184131.

It can be divided in two parts, 55548 and 307, that added together give a palindrome (55855).

The spelling of 55548307 in words is "fifty-five million, five hundred forty-eight thousand, three hundred seven".