55412640016 has 20 divisors (see below), whose sum is σ = 107367952912. Its totient is φ = 27704781216.

The previous prime is 55412640013. The next prime is 55412640103. The reversal of 55412640016 is 61004621455.

It is not an unprimeable number, because it can be changed into a prime (55412640013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235591 + ... + 407833.

Almost surely, 2^55412640016 is an apocalyptic number.

It is an amenable number.

55412640016 is a deficient number, since it is larger than the sum of its proper divisors (51955312896).

55412640016 is a wasteful number, since it uses less digits than its factorization.

55412640016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192358 (or 192352 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 55412640016 in words is "fifty-five billion, four hundred twelve million, six hundred forty thousand, sixteen".