54830881786 has 32 divisors (see below), whose sum is σ = 86140713600. Its totient is φ = 26126358720.

The previous prime is 54830881783. The next prime is 54830881823. The reversal of 54830881786 is 68718803845.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54830881786.

It is not an unprimeable number, because it can be changed into a prime (54830881783) 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, 16177380 + ... + 16180768.

It is an arithmetic number, because the mean of its divisors is an integer number (2691897300).

Almost surely, 2^54830881786 is an apocalyptic number.

54830881786 is a deficient number, since it is larger than the sum of its proper divisors (31309831814).

54830881786 is a wasteful number, since it uses less digits than its factorization.

54830881786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 54830881786 in words is "fifty-four billion, eight hundred thirty million, eight hundred eighty-one thousand, seven hundred eighty-six".