55154981707 has 4 divisors (see below), whose sum is σ = 63034264816. Its totient is φ = 47275698600.

The previous prime is 55154981701. The next prime is 55154981711. The reversal of 55154981707 is 70718945155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55154981707 - 2⁷ = 55154981579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55154981701) 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 3 ways as a sum of consecutive naturals, for example, 3939641544 + ... + 3939641557.

It is an arithmetic number, because the mean of its divisors is an integer number (15758566204).

Almost surely, 2^55154981707 is an apocalyptic number.

55154981707 is a deficient number, since it is larger than the sum of its proper divisors (7879283109).

55154981707 is an equidigital number, since it uses as much as digits as its factorization.

55154981707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879283108.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 55154981707 in words is "fifty-five billion, one hundred fifty-four million, nine hundred eighty-one thousand, seven hundred seven".