55428814350 has 720 divisors, whose sum is σ = 199274245632. Its totient is φ = 11164158720.

The previous prime is 55428814349. The next prime is 55428814367. The reversal of 55428814350 is 5341882455.

55428814350 is a `hidden beast` number, since 5 + 5 + 4 + 288 + 14 + 350 = 666.

55428814350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55428814296 and 55428814305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 110196199 + ... + 110196701.

Almost surely, 2^55428814350 is an apocalyptic number.

55428814350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55428814350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99637122816).

55428814350 is an abundant number, since it is smaller than the sum of its proper divisors (143845431282).

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

55428814350 is a wasteful number, since it uses less digits than its factorization.

55428814350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 55428814350 in words is "fifty-five billion, four hundred twenty-eight million, eight hundred fourteen thousand, three hundred fifty".