55898403 has 8 divisors (see below), whose sum is σ = 81306816. Its totient is φ = 33877800.

The previous prime is 55898389. The next prime is 55898413. The reversal of 55898403 is 30489855.

55898403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55898403 - 2²² = 51704099 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55898413) 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, 846913 + ... + 846978.

It is an arithmetic number, because the mean of its divisors is an integer number (10163352).

Almost surely, 2^55898403 is an apocalyptic number.

55898403 is a deficient number, since it is larger than the sum of its proper divisors (25408413).

55898403 is a wasteful number, since it uses less digits than its factorization.

55898403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693905.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 55898403 is about 7476.5234567946. The cubic root of 55898403 is about 382.3547297464.

The spelling of 55898403 in words is "fifty-five million, eight hundred ninety-eight thousand, four hundred three".