55718770 has 16 divisors (see below), whose sum is σ = 100772928. Its totient is φ = 22181040.

The previous prime is 55718743. The next prime is 55718791. The reversal of 55718770 is 7781755.

It is a happy number.

55718770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11094 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (6298308).

Almost surely, 2^55718770 is an apocalyptic number.

55718770 is a deficient number, since it is larger than the sum of its proper divisors (45054158).

55718770 is a wasteful number, since it uses less digits than its factorization.

55718770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26625.

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 55718770 is about 7464.5006530913. The cubic root of 55718770 is about 381.9447166509.

It can be divided in two parts, 5571 and 8770, that added together give a palindrome (14341).

The spelling of 55718770 in words is "fifty-five million, seven hundred eighteen thousand, seven hundred seventy".