55889503 has 4 divisors (see below), whose sum is σ = 55915200. Its totient is φ = 55863808.

The previous prime is 55889501. The next prime is 55889513. The reversal of 55889503 is 30598855.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55889503 - 2¹ = 55889501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55889503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55889501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250 + ... + 14047.

It is an arithmetic number, because the mean of its divisors is an integer number (13978800).

Almost surely, 2^55889503 is an apocalyptic number.

55889503 is a deficient number, since it is larger than the sum of its proper divisors (25697).

55889503 is a wasteful number, since it uses less digits than its factorization.

55889503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25696.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 55889503 is about 7475.9282366807. The cubic root of 55889503 is about 382.3344361570.

The spelling of 55889503 in words is "fifty-five million, eight hundred eighty-nine thousand, five hundred three".