55252780253024 has 12 divisors (see below), whose sum is σ = 108778911123204. Its totient is φ = 27626390126496.

The previous prime is 55252780252963. The next prime is 55252780253039. The reversal of 55252780253024 is 42035208725255.

It is a super-2 number, since 2×55252780253024² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863324691422 + ... + 863324691485.

It is an arithmetic number, because the mean of its divisors is an integer number (9064909260267).

Almost surely, 2^{55252780253024} is an apocalyptic number.

It is an amenable number.

55252780253024 is a deficient number, since it is larger than the sum of its proper divisors (53526130870180).

55252780253024 is a wasteful number, since it uses less digits than its factorization.

55252780253024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726649382917 (or 1726649382909 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 50.

Adding to 55252780253024 its reverse (42035208725255), we get a palindrome (97287988978279).

The spelling of 55252780253024 in words is "fifty-five trillion, two hundred fifty-two billion, seven hundred eighty million, two hundred fifty-three thousand, twenty-four".