55103486 has 4 divisors (see below), whose sum is σ = 82655232. Its totient is φ = 27551742.

The previous prime is 55103449. The next prime is 55103491. The reversal of 55103486 is 68430155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13775870 + ... + 13775873.

It is an arithmetic number, because the mean of its divisors is an integer number (20663808).

Almost surely, 2^55103486 is an apocalyptic number.

55103486 is a deficient number, since it is larger than the sum of its proper divisors (27551746).

55103486 is a wasteful number, since it uses less digits than its factorization.

55103486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27551745.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55103486 is about 7423.1722329473. The cubic root of 55103486 is about 380.5336132063.

The spelling of 55103486 in words is "fifty-five million, one hundred three thousand, four hundred eighty-six".