55355317316425 has 24 divisors (see below), whose sum is σ = 78447054960000. Its totient is φ = 37957611348480.

The previous prime is 55355317316417. The next prime is 55355317316549. The reversal of 55355317316425 is 52461371355355.

It is not a de Polignac number, because 55355317316425 - 2³ = 55355317316417 is a prime.

It is a super-2 number, since 2×55355317316425² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20461401 + ... + 23008249.

It is an arithmetic number, because the mean of its divisors is an integer number (3268627290000).

Almost surely, 2^{55355317316425} is an apocalyptic number.

It is an amenable number.

55355317316425 is a deficient number, since it is larger than the sum of its proper divisors (23091737643575).

55355317316425 is a wasteful number, since it uses less digits than its factorization.

55355317316425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671065 (or 2671060 counting only the distinct ones).

The product of its digits is 28350000, while the sum is 55.

The spelling of 55355317316425 in words is "fifty-five trillion, three hundred fifty-five billion, three hundred seventeen million, three hundred sixteen thousand, four hundred twenty-five".