54988745117 has 4 divisors (see below), whose sum is σ = 55033489020. Its totient is φ = 54944001216.

The previous prime is 54988745107. The next prime is 54988745153. The reversal of 54988745117 is 71154788945.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27991297636 + 26997447481 = 167306^2 + 164309^2 .

It is a cyclic number.

It is not a de Polignac number, because 54988745117 - 2²⁸ = 54720309661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54988745107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22370108 + ... + 22372565.

It is an arithmetic number, because the mean of its divisors is an integer number (13758372255).

Almost surely, 2^54988745117 is an apocalyptic number.

It is an amenable number.

54988745117 is a deficient number, since it is larger than the sum of its proper divisors (44743903).

54988745117 is a wasteful number, since it uses less digits than its factorization.

54988745117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44743902.

The product of its digits is 11289600, while the sum is 59.

The spelling of 54988745117 in words is "fifty-four billion, nine hundred eighty-eight million, seven hundred forty-five thousand, one hundred seventeen".