55203856 has 10 divisors (see below), whose sum is σ = 106957502. Its totient is φ = 27601920.

The previous prime is 55203853. The next prime is 55203859. The reversal of 55203856 is 65830255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55203853) and next prime (55203859).

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 147456 = 7420^2 + 384^2 .

It is not an unprimeable number, because it can be changed into a prime (55203853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725105 + ... + 1725136.

Almost surely, 2^55203856 is an apocalyptic number.

It is an amenable number.

55203856 is a deficient number, since it is larger than the sum of its proper divisors (51753646).

55203856 is a wasteful number, since it uses less digits than its factorization.

55203856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450249 (or 3450243 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55203856 is about 7429.9297439478. The cubic root of 55203856 is about 380.7645180908.

The spelling of 55203856 in words is "fifty-five million, two hundred three thousand, eight hundred fifty-six".