55890303 has 16 divisors (see below), whose sum is σ = 87914496. Its totient is φ = 30906720.

The previous prime is 55890301. The next prime is 55890311. The reversal of 55890303 is 30309855.

It is not a de Polignac number, because 55890303 - 2¹ = 55890301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55890301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42276 + ... + 43577.

It is an arithmetic number, because the mean of its divisors is an integer number (5494656).

Almost surely, 2^55890303 is an apocalyptic number.

55890303 is a deficient number, since it is larger than the sum of its proper divisors (32024193).

55890303 is a wasteful number, since it uses less digits than its factorization.

55890303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85894.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 55890303 is about 7475.9817415507. The cubic root of 55890303 is about 382.3362603880.

The spelling of 55890303 in words is "fifty-five million, eight hundred ninety thousand, three hundred three".