55988751 has 32 divisors (see below), whose sum is σ = 93280768. Its totient is φ = 29082240.

The previous prime is 55988747. The next prime is 55988753. The reversal of 55988751 is 15788955.

55988751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55988751 - 2² = 55988747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55988751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55988753) 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 31 ways as a sum of consecutive naturals, for example, 16761 + ... + 19821.

It is an arithmetic number, because the mean of its divisors is an integer number (2915024).

Almost surely, 2^55988751 is an apocalyptic number.

55988751 is a deficient number, since it is larger than the sum of its proper divisors (37292017).

55988751 is a wasteful number, since it uses less digits than its factorization.

55988751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its digits is 504000, while the sum is 48.

The square root of 55988751 is about 7482.5631303718. The cubic root of 55988751 is about 382.5606175022.

The spelling of 55988751 in words is "fifty-five million, nine hundred eighty-eight thousand, seven hundred fifty-one".