55040990756 has 12 divisors (see below), whose sum is σ = 97080173568. Its totient is φ = 27303798312.

The previous prime is 55040990747. The next prime is 55040990759. The reversal of 55040990756 is 65709904055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55040990759) by changing a digit.

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, 54173696 + ... + 54174711.

It is an arithmetic number, because the mean of its divisors is an integer number (8090014464).

Almost surely, 2^55040990756 is an apocalyptic number.

It is an amenable number.

55040990756 is a deficient number, since it is larger than the sum of its proper divisors (42039182812).

55040990756 is a wasteful number, since it uses less digits than its factorization.

55040990756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108348538 (or 108348536 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 55040990756 in words is "fifty-five billion, forty million, nine hundred ninety thousand, seven hundred fifty-six".