55486042313 has 12 divisors (see below), whose sum is σ = 60104043468. Its totient is φ = 51199536960.

The previous prime is 55486042309. The next prime is 55486042319. The reversal of 55486042313 is 31324068455.

It can be written as a sum of positive squares in 6 ways, for example, as 5214572944 + 50271469369 = 72212^2 + 224213^2 .

It is not a de Polignac number, because 55486042313 - 2² = 55486042309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55486042319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426131 + ... + 540887.

It is an arithmetic number, because the mean of its divisors is an integer number (5008670289).

Almost surely, 2^55486042313 is an apocalyptic number.

It is an amenable number.

55486042313 is a deficient number, since it is larger than the sum of its proper divisors (4618001155).

55486042313 is a wasteful number, since it uses less digits than its factorization.

55486042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117644 (or 117631 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 55486042313 in words is "fifty-five billion, four hundred eighty-six million, forty-two thousand, three hundred thirteen".