5520125550 has 48 divisors (see below), whose sum is σ = 13921966080. Its totient is φ = 1447081440.

The previous prime is 5520125543. The next prime is 5520125551. The reversal of 5520125550 is 555210255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520125551) 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, 303022 + ... + 320721.

It is an arithmetic number, because the mean of its divisors is an integer number (290040960).

Almost surely, 2^5520125550 is an apocalyptic number.

5520125550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5520125550 is an abundant number, since it is smaller than the sum of its proper divisors (8401840530).

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

5520125550 is a wasteful number, since it uses less digits than its factorization.

5520125550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623817 (or 623812 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 5520125550 is about 74297.5474023201. The cubic root of 5520125550 is about 1767.3245832873.

The spelling of 5520125550 in words is "five billion, five hundred twenty million, one hundred twenty-five thousand, five hundred fifty".