54417310861 has 4 divisors (see below), whose sum is σ = 54427087900. Its totient is φ = 54407533824.

The previous prime is 54417310837. The next prime is 54417310889. The reversal of 54417310861 is 16801371445.

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 29324850025 + 25092460836 = 171245^2 + 158406^2 .

It is a cyclic number.

It is not a de Polignac number, because 54417310861 - 2⁷ = 54417310733 is a prime.

It is a super-2 number, since 2×54417310861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54417319861) 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, 4880166 + ... + 4891303.

It is an arithmetic number, because the mean of its divisors is an integer number (13606771975).

Almost surely, 2^54417310861 is an apocalyptic number.

It is an amenable number.

54417310861 is a deficient number, since it is larger than the sum of its proper divisors (9777039).

54417310861 is an equidigital number, since it uses as much as digits as its factorization.

54417310861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9777038.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 54417310861 in words is "fifty-four billion, four hundred seventeen million, three hundred ten thousand, eight hundred sixty-one".