42553254520 has 128 divisors (see below), whose sum is σ = 112659724800. Its totient is φ = 14160047616.

The previous prime is 42553254511. The next prime is 42553254521. The reversal of 42553254520 is 2545235524.

42553254520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 42553254520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553254521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4335939 + ... + 4345741.

It is an arithmetic number, because the mean of its divisors is an integer number (880154100).

Almost surely, 2^42553254520 is an apocalyptic number.

42553254520 is a gapful number since it is divisible by the number (40) 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 42553254520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56329862400).

42553254520 is an abundant number, since it is smaller than the sum of its proper divisors (70106470280).

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

42553254520 is a wasteful number, since it uses less digits than its factorization.

42553254520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277 (or 10273 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 42553254520 in words is "forty-two billion, five hundred fifty-three million, two hundred fifty-four thousand, five hundred twenty".