55946753778 has 32 divisors (see below), whose sum is σ = 114305273280. Its totient is φ = 18250061760.

The previous prime is 55946753767. The next prime is 55946753809. The reversal of 55946753778 is 87735764955.

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, 315868 + ... + 460071.

It is an arithmetic number, because the mean of its divisors is an integer number (3572039790).

Almost surely, 2^55946753778 is an apocalyptic number.

55946753778 is an abundant number, since it is smaller than the sum of its proper divisors (58358519502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55946753778 is a wasteful number, since it uses less digits than its factorization.

55946753778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776202.

The product of its digits is 222264000, while the sum is 66.

The spelling of 55946753778 in words is "fifty-five billion, nine hundred forty-six million, seven hundred fifty-three thousand, seven hundred seventy-eight".