552555535420 has 144 divisors (see below), whose sum is σ = 1377979773408. Its totient is φ = 185508610560.

The previous prime is 552555535417. The next prime is 552555535423. The reversal of 552555535420 is 24535555255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (552555535417) and next prime (552555535423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552555535423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27154450 + ... + 27174790.

It is an arithmetic number, because the mean of its divisors is an integer number (9569303982).

Almost surely, 2^552555535420 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 552555535420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688989886704).

552555535420 is an abundant number, since it is smaller than the sum of its proper divisors (825424237988).

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

552555535420 is a wasteful number, since it uses less digits than its factorization.

552555535420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20940 (or 20931 counting only the distinct ones).

The product of its (nonzero) digits is 3750000, while the sum is 46.

The spelling of 552555535420 in words is "five hundred fifty-two billion, five hundred fifty-five million, five hundred thirty-five thousand, four hundred twenty".