55696741440 has 112 divisors (see below), whose sum is σ = 176926207488. Its totient is φ = 14844985344.

The previous prime is 55696741403. The next prime is 55696741459. The reversal of 55696741440 is 4414769655.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 2043744 + ... + 2070816.

Almost surely, 2^55696741440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55696741440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88463103744).

55696741440 is an abundant number, since it is smaller than the sum of its proper divisors (121229466048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55696741440 is a wasteful number, since it uses less digits than its factorization.

55696741440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29236 (or 29226 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 55696741440 in words is "fifty-five billion, six hundred ninety-six million, seven hundred forty-one thousand, four hundred forty".