55111505452 has 6 divisors (see below), whose sum is σ = 96445134548. Its totient is φ = 27555752724.

The previous prime is 55111505389. The next prime is 55111505473. The reversal of 55111505452 is 25450511155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6888938178 + ... + 6888938185.

Almost surely, 2^55111505452 is an apocalyptic number.

It is an amenable number.

55111505452 is a deficient number, since it is larger than the sum of its proper divisors (41333629096).

55111505452 is a wasteful number, since it uses less digits than its factorization.

55111505452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13777876367 (or 13777876365 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 55111505452 in words is "fifty-five billion, one hundred eleven million, five hundred five thousand, four hundred fifty-two".