55910838578 has 24 divisors (see below), whose sum is σ = 100705768704. Its totient is φ = 23188825800.

The previous prime is 55910838551. The next prime is 55910838593. The reversal of 55910838578 is 87583801955.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9198878 + ... + 9204953.

It is an arithmetic number, because the mean of its divisors is an integer number (4196073696).

Almost surely, 2^55910838578 is an apocalyptic number.

55910838578 is a deficient number, since it is larger than the sum of its proper divisors (44794930126).

55910838578 is a wasteful number, since it uses less digits than its factorization.

55910838578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403878 (or 18403871 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 59.

The spelling of 55910838578 in words is "fifty-five billion, nine hundred ten million, eight hundred thirty-eight thousand, five hundred seventy-eight".