55431321104 has 10 divisors (see below), whose sum is σ = 107398184670. Its totient is φ = 27715660544.

The previous prime is 55431321089. The next prime is 55431321119. The reversal of 55431321104 is 40112313455.

It is an interprime number because it is at equal distance from previous prime (55431321089) and next prime (55431321119).

It can be written as a sum of positive squares in only one way, i.e., 44414719504 + 11016601600 = 210748^2 + 104960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732228769 + ... + 1732228800.

It is an arithmetic number, because the mean of its divisors is an integer number (10739818467).

Almost surely, 2^55431321104 is an apocalyptic number.

It is an amenable number.

55431321104 is a deficient number, since it is larger than the sum of its proper divisors (51966863566).

55431321104 is a wasteful number, since it uses less digits than its factorization.

55431321104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464457577 (or 3464457571 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 55431321104 its reverse (40112313455), we get a palindrome (95543634559).

The spelling of 55431321104 in words is "fifty-five billion, four hundred thirty-one million, three hundred twenty-one thousand, one hundred four".