55892780218 has 8 divisors (see below), whose sum is σ = 91460913120. Its totient is φ = 25405809180.

The previous prime is 55892780201. The next prime is 55892780233. The reversal of 55892780218 is 81208729855.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270290438 + ... + 1270290481.

It is an arithmetic number, because the mean of its divisors is an integer number (11432614140).

Almost surely, 2^55892780218 is an apocalyptic number.

55892780218 is a deficient number, since it is larger than the sum of its proper divisors (35568132902).

55892780218 is a wasteful number, since it uses less digits than its factorization.

55892780218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540580932.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 55892780218 in words is "fifty-five billion, eight hundred ninety-two million, seven hundred eighty thousand, two hundred eighteen".