55917641782 has 32 divisors (see below), whose sum is σ = 95658710400. Its totient is φ = 24349465728.

The previous prime is 55917641729. The next prime is 55917641831. The reversal of 55917641782 is 28714671955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978732 + ... + 1034287.

It is an arithmetic number, because the mean of its divisors is an integer number (2989334700).

Almost surely, 2^55917641782 is an apocalyptic number.

55917641782 is a deficient number, since it is larger than the sum of its proper divisors (39741068618).

55917641782 is a wasteful number, since it uses less digits than its factorization.

55917641782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013100.

The product of its digits is 4233600, while the sum is 55.

The spelling of 55917641782 in words is "fifty-five billion, nine hundred seventeen million, six hundred forty-one thousand, seven hundred eighty-two".