55851828844 has 12 divisors (see below), whose sum is σ = 111703657744. Its totient is φ = 23936498064.

The previous prime is 55851828839. The next prime is 55851828859. The reversal of 55851828844 is 44882815855.

It is a happy number.

55851828844 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997354059 + ... + 997354114.

Almost surely, 2^55851828844 is an apocalyptic number.

It is an amenable number.

55851828844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55851828844 is a wasteful number, since it uses less digits than its factorization.

55851828844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994708184 (or 1994708182 counting only the distinct ones).

The product of its digits is 16384000, while the sum is 58.

The spelling of 55851828844 in words is "fifty-five billion, eight hundred fifty-one million, eight hundred twenty-eight thousand, eight hundred forty-four".