55008770064 has 20 divisors (see below), whose sum is σ = 142105989456. Its totient is φ = 18336256672.

The previous prime is 55008770029. The next prime is 55008770083. The reversal of 55008770064 is 46007780055.

It is a junction number, because it is equal to n+sod(n) for n = 55008769998 and 55008770025.

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, 573007974 + ... + 573008069.

Almost surely, 2^55008770064 is an apocalyptic number.

It is an amenable number.

55008770064 is an abundant number, since it is smaller than the sum of its proper divisors (87097219392).

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

55008770064 is a wasteful number, since it uses less digits than its factorization.

55008770064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146016054 (or 1146016048 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

Subtracting from 55008770064 its reverse (46007780055), we obtain a palindrome (9000990009).

The spelling of 55008770064 in words is "fifty-five billion, eight million, seven hundred seventy thousand, sixty-four".