55071389706 has 32 divisors (see below), whose sum is σ = 113139385728. Its totient is φ = 17857869120.

The previous prime is 55071389693. The next prime is 55071389713. The reversal of 55071389706 is 60798317055.

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, 1487091 + ... + 1523673.

It is an arithmetic number, because the mean of its divisors is an integer number (3535605804).

Almost surely, 2^55071389706 is an apocalyptic number.

55071389706 is an abundant number, since it is smaller than the sum of its proper divisors (58067996022).

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

55071389706 is a wasteful number, since it uses less digits than its factorization.

55071389706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43406.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 55071389706 in words is "fifty-five billion, seventy-one million, three hundred eighty-nine thousand, seven hundred six".