55915567667 has 16 divisors (see below), whose sum is σ = 58732128000. Its totient is φ = 53164108704.

The previous prime is 55915567661. The next prime is 55915567679. The reversal of 55915567667 is 76676551955.

55915567667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55915567667 - 2¹⁴ = 55915551283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55915567661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482384 + ... + 586962.

It is an arithmetic number, because the mean of its divisors is an integer number (3670758000).

Almost surely, 2^55915567667 is an apocalyptic number.

55915567667 is a deficient number, since it is larger than the sum of its proper divisors (2816560333).

55915567667 is a wasteful number, since it uses less digits than its factorization.

55915567667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104890.

The product of its digits is 59535000, while the sum is 62.

The spelling of 55915567667 in words is "fifty-five billion, nine hundred fifteen million, five hundred sixty-seven thousand, six hundred sixty-seven".