55204064355915 has 40 divisors (see below), whose sum is σ = 98960105745600. Its totient is φ = 29441659223808.

The previous prime is 55204064355911. The next prime is 55204064355971. The reversal of 55204064355915 is 51955346040255.

55204064355915 is a `hidden beast` number, since 5 + 5 + 2 + 0 + 4 + 0 + 6 + 43 + 5 + 591 + 5 = 666.

It is not a de Polignac number, because 55204064355915 - 2² = 55204064355911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55204064355911) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22912611 + ... + 25207059.

It is an arithmetic number, because the mean of its divisors is an integer number (2474002643640).

Almost surely, 2^{55204064355915} is an apocalyptic number.

55204064355915 is a deficient number, since it is larger than the sum of its proper divisors (43756041389685).

55204064355915 is a wasteful number, since it uses less digits than its factorization.

55204064355915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353873 (or 2353864 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 54.

The spelling of 55204064355915 in words is "fifty-five trillion, two hundred four billion, sixty-four million, three hundred fifty-five thousand, nine hundred fifteen".