55907782843 has 8 divisors (see below), whose sum is σ = 60994033776. Its totient is φ = 50822152800.

The previous prime is 55907782813. The next prime is 55907782963. The reversal of 55907782843 is 34828770955.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55907782843 - 2⁵ = 55907782811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55907782813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44205 + ... + 337297.

It is an arithmetic number, because the mean of its divisors is an integer number (7624254222).

Almost surely, 2^55907782843 is an apocalyptic number.

55907782843 is a deficient number, since it is larger than the sum of its proper divisors (5086250933).

55907782843 is a wasteful number, since it uses less digits than its factorization.

55907782843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310445.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 55907782843 in words is "fifty-five billion, nine hundred seven million, seven hundred eighty-two thousand, eight hundred forty-three".