55571711307 has 16 divisors (see below), whose sum is σ = 84790275840. Its totient is φ = 31714173792.

The previous prime is 55571711269. The next prime is 55571711323. The reversal of 55571711307 is 70311717555.

It is not a de Polignac number, because 55571711307 - 2¹⁶ = 55571645771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55571711357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695457 + ... + 1727922.

It is an arithmetic number, because the mean of its divisors is an integer number (5299392240).

Almost surely, 2^55571711307 is an apocalyptic number.

55571711307 is a deficient number, since it is larger than the sum of its proper divisors (29218564533).

55571711307 is a wasteful number, since it uses less digits than its factorization.

55571711307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424162.

The product of its (nonzero) digits is 128625, while the sum is 42.

The spelling of 55571711307 in words is "fifty-five billion, five hundred seventy-one million, seven hundred eleven thousand, three hundred seven".