55571522107 has 8 divisors (see below), whose sum is σ = 60513454800. Its totient is φ = 50831301024.

The previous prime is 55571522081. The next prime is 55571522119. The reversal of 55571522107 is 70122517555.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55571522107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55571522107.

It is not an unprimeable number, because it can be changed into a prime (55571522177) 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, 50427328 + ... + 50428429.

It is an arithmetic number, because the mean of its divisors is an integer number (7564181850).

Almost surely, 2^55571522107 is an apocalyptic number.

55571522107 is a deficient number, since it is larger than the sum of its proper divisors (4941932693).

55571522107 is a wasteful number, since it uses less digits than its factorization.

55571522107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100855805.

The product of its (nonzero) digits is 122500, while the sum is 40.

The spelling of 55571522107 in words is "fifty-five billion, five hundred seventy-one million, five hundred twenty-two thousand, one hundred seven".