5551056620 has 48 divisors (see below), whose sum is σ = 12000054528. Its totient is φ = 2155742400.

The previous prime is 5551056619. The next prime is 5551056629. The reversal of 5551056620 is 266501555.

It is not an unprimeable number, because it can be changed into a prime (5551056629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124295 + ... + 162945.

It is an arithmetic number, because the mean of its divisors is an integer number (250001136).

Almost surely, 2^5551056620 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 5551056620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6000027264).

5551056620 is an abundant number, since it is smaller than the sum of its proper divisors (6448997908).

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

5551056620 is a wasteful number, since it uses less digits than its factorization.

5551056620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38870 (or 38868 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5551056620 is about 74505.4133603727. The cubic root of 5551056620 is about 1770.6194029523.

The spelling of 5551056620 in words is "five billion, five hundred fifty-one million, fifty-six thousand, six hundred twenty".