55982403 has 12 divisors (see below), whose sum is σ = 80943408. Its totient is φ = 37284720.

The previous prime is 55982401. The next prime is 55982413. The reversal of 55982403 is 30428955.

55982403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55982403 - 2¹ = 55982401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55982401) 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 11 ways as a sum of consecutive naturals, for example, 9058 + ... + 13928.

It is an arithmetic number, because the mean of its divisors is an integer number (6745284).

Almost surely, 2^55982403 is an apocalyptic number.

55982403 is a deficient number, since it is larger than the sum of its proper divisors (24961005).

55982403 is a wasteful number, since it uses less digits than its factorization.

55982403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154 (or 6151 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55982403 is about 7482.1389321504. The cubic root of 55982403 is about 382.5461587253.

It can be divided in two parts, 5598 and 2403, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 55982403 in words is "fifty-five million, nine hundred eighty-two thousand, four hundred three".