52549275240 has 384 divisors, whose sum is σ = 218124990720. Its totient is φ = 10652774400.

The previous prime is 52549275239. The next prime is 52549275299. The reversal of 52549275240 is 4257294525.

52549275240 is a `hidden beast` number, since 5 + 254 + 92 + 75 + 240 = 666.

It is a super-2 number, since 2×52549275240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1113402 + ... + 1159638.

It is an arithmetic number, because the mean of its divisors is an integer number (568033830).

Almost surely, 2^52549275240 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 52549275240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109062495360).

52549275240 is an abundant number, since it is smaller than the sum of its proper divisors (165575715480).

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

52549275240 is a wasteful number, since it uses less digits than its factorization.

52549275240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46313 (or 46306 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 52549275240 in words is "fifty-two billion, five hundred forty-nine million, two hundred seventy-five thousand, two hundred forty".