55571966252 has 12 divisors (see below), whose sum is σ = 106091935656. Its totient is φ = 25259984640.

The previous prime is 55571966243. The next prime is 55571966279. The reversal of 55571966252 is 25266917555.

It is a super-2 number, since 2×55571966252² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55571966194 and 55571966203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631499573 + ... + 631499660.

It is an arithmetic number, because the mean of its divisors is an integer number (8840994638).

Almost surely, 2^55571966252 is an apocalyptic number.

It is an amenable number.

55571966252 is a deficient number, since it is larger than the sum of its proper divisors (50519969404).

55571966252 is a wasteful number, since it uses less digits than its factorization.

55571966252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262999248 (or 1262999246 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 53.

The spelling of 55571966252 in words is "fifty-five billion, five hundred seventy-one million, nine hundred sixty-six thousand, two hundred fifty-two".