55989758 has 16 divisors (see below), whose sum is σ = 92567664. Its totient is φ = 25186560.

The previous prime is 55989757. The next prime is 55989767. The reversal of 55989758 is 85798955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55989757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10985 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (5785479).

Almost surely, 2^55989758 is an apocalyptic number.

55989758 is a deficient number, since it is larger than the sum of its proper divisors (36577906).

55989758 is a wasteful number, since it uses less digits than its factorization.

55989758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26347.

The product of its digits is 4536000, while the sum is 56.

The square root of 55989758 is about 7482.6304198457. The cubic root of 55989758 is about 382.5629110358.

It can be divided in two parts, 559897 and 58, that added together give a palindrome (559955).

The spelling of 55989758 in words is "fifty-five million, nine hundred eighty-nine thousand, seven hundred fifty-eight".