2552775305520 has 320 divisors, whose sum is σ = 8678109279744. Its totient is φ = 615630274560.

The previous prime is 2552775305519. The next prime is 2552775305543. The reversal of 2552775305520 is 255035772552.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2552775305520.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 502809222 + ... + 502814298.

Almost surely, 2^{2552775305520} is an apocalyptic number.

2552775305520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552775305520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4339054639872).

2552775305520 is an abundant number, since it is smaller than the sum of its proper divisors (6125333974224).

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

2552775305520 is a wasteful number, since it uses less digits than its factorization.

2552775305520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060 (or 6054 counting only the distinct ones).

The product of its (nonzero) digits is 3675000, while the sum is 48.

The spelling of 2552775305520 in words is "two trillion, five hundred fifty-two billion, seven hundred seventy-five million, three hundred five thousand, five hundred twenty".