55720718067 has 8 divisors (see below), whose sum is σ = 84907760896. Its totient is φ = 31840410312.

The previous prime is 55720718047. The next prime is 55720718101. The reversal of 55720718067 is 76081702755.

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 55720718067 - 2⁶ = 55720718003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55720718047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326683743 + ... + 1326683784.

It is an arithmetic number, because the mean of its divisors is an integer number (10613470112).

Almost surely, 2^55720718067 is an apocalyptic number.

55720718067 is a deficient number, since it is larger than the sum of its proper divisors (29187042829).

55720718067 is a wasteful number, since it uses less digits than its factorization.

55720718067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653367537.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 55720718067 in words is "fifty-five billion, seven hundred twenty million, seven hundred eighteen thousand, sixty-seven".