52780553005000 has 80 divisors (see below), whose sum is σ = 123679238474880. Its totient is φ = 21109762344000.

The previous prime is 52780553004941. The next prime is 52780553005007. The reversal of 52780553005000 is 50035508725.

It is a happy number.

It is a super-2 number, since 2×52780553005000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (52780553005007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42624609 + ... + 43845391.

It is an arithmetic number, because the mean of its divisors is an integer number (1545990480936).

Almost surely, 2^{52780553005000} is an apocalyptic number.

52780553005000 is a gapful number since it is divisible by the number (50) 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 52780553005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61839619237440).

52780553005000 is an abundant number, since it is smaller than the sum of its proper divisors (70898685469880).

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

52780553005000 is a wasteful number, since it uses less digits than its factorization.

52780553005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229456 (or 1229437 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 52780553005000 in words is "fifty-two trillion, seven hundred eighty billion, five hundred fifty-three million, five thousand".