55834380028 has 24 divisors (see below), whose sum is σ = 111682737152. Its totient is φ = 23926024944.

The previous prime is 55834379987. The next prime is 55834380031. The reversal of 55834380028 is 82008343855.

It is a happy number.

It is a super-2 number, since 2×55834380028² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55834380028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110701 + ... + 352027.

Almost surely, 2^55834380028 is an apocalyptic number.

It is an amenable number.

55834380028 is an abundant number, since it is smaller than the sum of its proper divisors (55848357124).

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

55834380028 is a wasteful number, since it uses less digits than its factorization.

55834380028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249601 (or 249599 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 55834380028 in words is "fifty-five billion, eight hundred thirty-four million, three hundred eighty thousand, twenty-eight".