55102049 has 12 divisors (see below), whose sum is σ = 59765796. Its totient is φ = 50625792.

The previous prime is 55102039. The next prime is 55102051. The reversal of 55102049 is 94020155.

It can be written as a sum of positive squares in 2 ways, for example, as 18861649 + 36240400 = 4343^2 + 6020^2 .

It is not a de Polignac number, because 55102049 - 2⁸ = 55101793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55102009) 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 in 11 ways as a sum of consecutive naturals, for example, 30557 + ... + 32309.

It is an arithmetic number, because the mean of its divisors is an integer number (4980483).

Almost surely, 2^55102049 is an apocalyptic number.

It is an amenable number.

55102049 is a deficient number, since it is larger than the sum of its proper divisors (4663747).

55102049 is a wasteful number, since it uses less digits than its factorization.

55102049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 55102049 is about 7423.0754408129. The cubic root of 55102049 is about 380.5303052997.

The spelling of 55102049 in words is "fifty-five million, one hundred two thousand, forty-nine".