55171522624 has 14 divisors (see below), whose sum is σ = 109480990334. Its totient is φ = 27585761280.

The previous prime is 55171522607. The next prime is 55171522639. The reversal of 55171522624 is 42622517155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54958362624 + 213160000 = 234432^2 + 14600^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431027457 + ... + 431027584.

Almost surely, 2^55171522624 is an apocalyptic number.

It is an amenable number.

55171522624 is a deficient number, since it is larger than the sum of its proper divisors (54309467710).

55171522624 is an equidigital number, since it uses as much as digits as its factorization.

55171522624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862055053 (or 862055043 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The spelling of 55171522624 in words is "fifty-five billion, one hundred seventy-one million, five hundred twenty-two thousand, six hundred twenty-four".