55788758 has 4 divisors (see below), whose sum is σ = 83683140. Its totient is φ = 27894378.

The previous prime is 55788757. The next prime is 55788767. The reversal of 55788758 is 85788755.

It is a happy number.

55788758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55788758² = 6224771038365128, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55788757) 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 as a sum of consecutive naturals, namely, 13947188 + ... + 13947191.

It is an arithmetic number, because the mean of its divisors is an integer number (20920785).

Almost surely, 2^55788758 is an apocalyptic number.

55788758 is a deficient number, since it is larger than the sum of its proper divisors (27894382).

55788758 is a wasteful number, since it uses less digits than its factorization.

55788758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27894381.

The product of its digits is 3136000, while the sum is 53.

The square root of 55788758 is about 7469.1872382475. The cubic root of 55788758 is about 382.1045691997.

The spelling of 55788758 in words is "fifty-five million, seven hundred eighty-eight thousand, seven hundred fifty-eight".