5555212520 has 96 divisors (see below), whose sum is σ = 14765289120. Its totient is φ = 1864661760.

The previous prime is 5555212511. The next prime is 5555212529. The reversal of 5555212520 is 252125555.

It is an interprime number because it is at equal distance from previous prime (5555212511) and next prime (5555212529).

It is a super-2 number, since 2×5555212520² = 61720772284729500800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5555212529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37007 + ... + 111713.

It is an arithmetic number, because the mean of its divisors is an integer number (153805095).

Almost surely, 2^5555212520 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 5555212520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7382644560).

5555212520 is an abundant number, since it is smaller than the sum of its proper divisors (9210076600).

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

5555212520 is a wasteful number, since it uses less digits than its factorization.

5555212520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74755 (or 74738 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 5555212520 is about 74533.2980620072. The cubic root of 5555212520 is about 1771.0611615868.

The spelling of 5555212520 in words is "five billion, five hundred fifty-five million, two hundred twelve thousand, five hundred twenty".