55667777834 has 16 divisors (see below), whose sum is σ = 86424861600. Its totient is φ = 26860464624.

The previous prime is 55667777833. The next prime is 55667777861. The reversal of 55667777834 is 43877776655.

55667777834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55667777833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127712 + ... + 357275.

It is an arithmetic number, because the mean of its divisors is an integer number (5401553850).

Almost surely, 2^55667777834 is an apocalyptic number.

55667777834 is a deficient number, since it is larger than the sum of its proper divisors (30757083766).

55667777834 is a wasteful number, since it uses less digits than its factorization.

55667777834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486997.

The product of its digits is 207446400, while the sum is 65.

The spelling of 55667777834 in words is "fifty-five billion, six hundred sixty-seven million, seven hundred seventy-seven thousand, eight hundred thirty-four".