52545530412 has 60 divisors (see below), whose sum is σ = 137398171680. Its totient is φ = 17510870304.

The previous prime is 52545530377. The next prime is 52545530419. The reversal of 52545530412 is 21403554525.

52545530412 is a `hidden beast` number, since 52 + 54 + 553 + 0 + 4 + 1 + 2 = 666.

It is a super-2 number, since 2×52545530412² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52545530419) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1471789 + ... + 1507067.

It is an arithmetic number, because the mean of its divisors is an integer number (2289969528).

Almost surely, 2^52545530412 is an apocalyptic number.

It is an amenable number.

52545530412 is an abundant number, since it is smaller than the sum of its proper divisors (84852641268).

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

52545530412 is a wasteful number, since it uses less digits than its factorization.

52545530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39892 (or 39881 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 52545530412 in words is "fifty-two billion, five hundred forty-five million, five hundred thirty thousand, four hundred twelve".