55071389707 has 8 divisors (see below), whose sum is σ = 56663126352. Its totient is φ = 53491488000.

The previous prime is 55071389693. The next prime is 55071389713. The reversal of 55071389707 is 70798317055.

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 55071389707 - 2⁷ = 55071389579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55071389777) 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, 2949294 + ... + 2967907.

It is an arithmetic number, because the mean of its divisors is an integer number (7082890794).

Almost surely, 2^55071389707 is an apocalyptic number.

55071389707 is a deficient number, since it is larger than the sum of its proper divisors (1591736645).

55071389707 is a wasteful number, since it uses less digits than its factorization.

55071389707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917469.

The product of its (nonzero) digits is 1852200, while the sum is 52.

The spelling of 55071389707 in words is "fifty-five billion, seventy-one million, three hundred eighty-nine thousand, seven hundred seven".