55798316428 has 12 divisors (see below), whose sum is σ = 97659581040. Its totient is φ = 27895578992.

The previous prime is 55798316423. The next prime is 55798316447. The reversal of 55798316428 is 82461389755.

It is a super-2 number, since 2×55798316428² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55798316423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859576 + ... + 922207.

It is an arithmetic number, because the mean of its divisors is an integer number (8138298420).

Almost surely, 2^55798316428 is an apocalyptic number.

It is an amenable number.

55798316428 is a deficient number, since it is larger than the sum of its proper divisors (41861264612).

55798316428 is a wasteful number, since it uses less digits than its factorization.

55798316428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789616 (or 1789614 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 55798316428 in words is "fifty-five billion, seven hundred ninety-eight million, three hundred sixteen thousand, four hundred twenty-eight".