52085255424 has 72 divisors (see below), whose sum is σ = 140691872160. Its totient is φ = 17102604288.

The previous prime is 52085255423. The next prime is 52085255441. The reversal of 52085255424 is 42455258025.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52085255423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454659 + ... + 557570.

It is an arithmetic number, because the mean of its divisors is an integer number (1954053780).

Almost surely, 2^52085255424 is an apocalyptic number.

It is an amenable number.

52085255424 is an abundant number, since it is smaller than the sum of its proper divisors (88606616736).

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

52085255424 is a wasteful number, since it uses less digits than its factorization.

52085255424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012315 (or 1012301 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 52085255424 in words is "fifty-two billion, eighty-five million, two hundred fifty-five thousand, four hundred twenty-four".