55002445 has 8 divisors (see below), whose sum is σ = 66745080. Its totient is φ = 43507200.

The previous prime is 55002433. The next prime is 55002449. The reversal of 55002445 is 54420055.

55002445 = 465² + 466² + ... + 642².

55002445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12257001 + 42745444 = 3501^2 + 6538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55002445 - 2⁵ = 55002413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55002449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61356 + ... + 62245.

It is an arithmetic number, because the mean of its divisors is an integer number (8343135).

Almost surely, 2^55002445 is an apocalyptic number.

It is an amenable number.

55002445 is a deficient number, since it is larger than the sum of its proper divisors (11742635).

55002445 is a wasteful number, since it uses less digits than its factorization.

55002445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123695.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 55002445 is about 7416.3633271301. The cubic root of 55002445 is about 380.3008812767.

The spelling of 55002445 in words is "fifty-five million, two thousand, four hundred forty-five".