55569953 has 2 divisors, whose sum is σ = 55569954. Its totient is φ = 55569952.

The previous prime is 55569947. The next prime is 55569959. The reversal of 55569953 is 35996555.

It is a balanced prime because it is at equal distance from previous prime (55569947) and next prime (55569959).

It can be written as a sum of positive squares in only one way, i.e., 28654609 + 26915344 = 5353^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 55569953 - 2⁸ = 55569697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55569898 and 55569907.

It is not a weakly prime, because it can be changed into another prime (55569959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27784976 + 27784977.

It is an arithmetic number, because the mean of its divisors is an integer number (27784977).

Almost surely, 2^55569953 is an apocalyptic number.

It is an amenable number.

55569953 is a deficient number, since it is larger than the sum of its proper divisors (1).

55569953 is an equidigital number, since it uses as much as digits as its factorization.

55569953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 911250, while the sum is 47.

The square root of 55569953 is about 7454.5256723684. The cubic root of 55569953 is about 381.6043732569.

The spelling of 55569953 in words is "fifty-five million, five hundred sixty-nine thousand, nine hundred fifty-three".