55889493 has 8 divisors (see below), whose sum is σ = 81293856. Its totient is φ = 33872400.

The previous prime is 55889473. The next prime is 55889501. The reversal of 55889493 is 39498855.

It is a happy number.

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

It is not a de Polignac number, because 55889493 - 2⁶ = 55889429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55889473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846778 + ... + 846843.

It is an arithmetic number, because the mean of its divisors is an integer number (10161732).

Almost surely, 2^55889493 is an apocalyptic number.

It is an amenable number.

55889493 is a deficient number, since it is larger than the sum of its proper divisors (25404363).

55889493 is a wasteful number, since it uses less digits than its factorization.

55889493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693635.

The product of its digits is 1555200, while the sum is 51.

The square root of 55889493 is about 7475.9275678674. The cubic root of 55889493 is about 382.3344133540.

The spelling of 55889493 in words is "fifty-five million, eight hundred eighty-nine thousand, four hundred ninety-three".